• Home
  • Denver Auto Repair Services
    • Full Service Oil Change
    • Expert Mechanics
      • Expert Honda Mechanics
      • Expert Toyota Mechanics
      • Expert Subaru Mechanics
    • Automatic Transmission
    • Fuel System Cleaning
    • Radiator Flush Service
    • Wiper Blades
    • Air Filter
    • Cabin Air Filter
    • Gearbox Service
    • Brake Repair
    • Clutch Repair
    • CV Boots
    • Tune-Up
    • Steering & Suspension
    • Tires
  • Auto Diagnostic
  • Contact Us
    • About Us
  • Shop Specials
  • Testimonials
  • Blog
  • 303-691-2760

Express Car Care of Denver

"Denver's Best Auto Repair and Quick Lube"

  • Brake Service
  • Car Maintenance
    • Heating-Air Conditioning
    • Suspension
    • Transmission
    • Engine
    • Tires
  • Oil Change
  • Tips & Tricks

Refrigerant – It’s What Keeps Your Car’s AC Running Efficiently

June 18, 2024 by Denver Express Car Care

On a 90-degree day, nothing feels better when you get into your car than a cool breeze flowing through the vents. It can help a little of your stress disappear as you feel the temperature fall. 

Yet sometimes it might feel as if it takes longer for that to occur. You keep it on full blast, wondering where the cool air is. 

Then there are efficiency issues – does AC operation mean less fuel efficiency? What if you want both? 

No matter what you’ve heard about keeping your car’s AC running efficiently, we bet there are a few myths you may still believe. Let’s get to the nitty-gritty of a car’s AC system and find out how to stay cool all season long. 

How a Car’s AC System Works

It’s actually a fairly simple process. 

A car’s air conditioning system works by removing heat from inside the car and expelling it outside, making the air inside cooler. It uses a special substance called refrigerant that circulates through the system. The process starts with the compressor, which is powered by the car’s engine. The compressor squeezes the refrigerant gas, increasing its pressure and temperature.

Next, the hot, high-pressure refrigerant gas moves to the condenser, which is located at the front of the car near the radiator. As air flows over the condenser, the refrigerant releases its heat and changes into a high-pressure liquid. This cooled liquid then travels to an expansion valve, where it quickly expands. This expansion lowers its pressure and temperature, turning it into a cold, low-pressure liquid.

Refrigerant - It’s What Keeps Your Car's AC Running Efficiently

The cold liquid refrigerant then goes to the evaporator, which is inside the car’s dashboard. The car’s blower fan pushes warm air from the interior over the evaporator coils. The refrigerant absorbs the heat from the air, causing it to evaporate into a gas. This process cools the air, which is then blown through the car’s vents, making the interior cool and comfortable.

The refrigerant, now warm and low-pressure again, goes back to the compressor, and the cycle starts over. This continuous loop removes heat from the car’s interior and expels it outside, keeping the car cool. Additionally, as the evaporator cools the air, it also removes moisture, dehumidifying the car’s interior. The condensed water from this process drains outside the vehicle.

Let’s Talk Refrigerant – An Essential Part of an AC System

As you’re reading above, you’ll notice refrigerant stands out as an essential part of the cooling process. That makes it one of the important fluids you should inspect regularly throughout the cooling system, as it’s crucial for your car’s AC system, helping cool and dehumidify the air inside your vehicle. Here’s what you need to know about refrigerant:

How to Know if Your Car Has Proper Refrigerant

First, check if your car’s AC system is blowing cold air when set to maximum cooling. If it is, you likely have enough refrigerant. Pay attention to how quickly your car cools down; if it takes longer or the air isn’t as cold as it used to be, the refrigerant level might be low. Some cars have a sight glass on the refrigerant lines where you can see the refrigerant flow; bubbles in the sight glass can indicate low levels. During routine maintenance, a mechanic can use gauges to check the refrigerant pressure. Proper pressure readings indicate the right amount of refrigerant.

How Often Should Refrigerant Be Checked?

It’s a good practice to have your car’s AC system checked at least once a year, ideally before the hot summer months. This ensures the system is in good working order and can help detect any issues early. If you notice any decline in AC performance, unusual noises, or if the air isn’t as cold as it should be, have the refrigerant levels checked immediately.

What Happens if Refrigerant is Low?

Low refrigerant levels mean the AC system cannot cool the air effectively. You’ll notice that the air from the vents is not as cold as it should be. The AC compressor relies on refrigerant for lubrication and cooling. Running the system with low refrigerant can cause the compressor to overheat and fail, leading to expensive repairs. The evaporator removes moisture from the air, but low refrigerant levels reduce its efficiency, leading to higher humidity inside the car. Additionally, low refrigerant often indicates a leak in the system. Refrigerant leaks can be harmful to the environment and need to be addressed promptly by a professional.

Tips for Maintaining Proper Refrigerant Levels

Include AC system checks in your regular vehicle maintenance schedule. Have a certified technician inspect your AC system annually, especially before summer. If you suspect a refrigerant leak or experience reduced cooling, seek professional help immediately to prevent further damage and ensure optimal performance.

AC’s Effect On Fuel Efficiency

According to the US Department of Energy, running your car’s AC system is the main contributor to reduced fuel economy in hot weather. Of course, there are a number of factors that impact that reduction: outside temperature, humidity, intensity of the sun, to name a few. But in very hot conditions, AC use can reduce a conventional vehicle’s fuel economy by more than 25 percent. EVs and hybrids can be even more. 

The refrigerant in your car’s AC system indirectly affects fuel efficiency through its role in the AC compressor’s operation. When you turn on the AC, the compressor pressurizes the refrigerant and circulates it to cool the air. This process requires additional engine power, increasing fuel consumption. The harder the compressor works, the more fuel the engine uses.

Having the right amount of refrigerant is crucial for efficient AC operation. When refrigerant levels are optimal, the AC system works efficiently, cooling the air with minimal strain on the compressor. This results in a moderate increase in fuel consumption when the AC is on.

If the refrigerant levels are low, the compressor has to work harder to cool the air, leading to higher fuel consumption. The engine must produce more power to drive the overworking compressor, using more fuel in the process. Too much refrigerant (an overcharged system) can also cause problems. Excess refrigerant increases pressure and strain on the compressor, making the system less efficient and consuming more fuel.

What’s the answer? How do you ensure efficiency throughout the season? 

It starts with regular maintenance. 

Regular maintenance of the AC system, including checking and refilling refrigerant levels, ensures it operates efficiently. An efficient AC system requires less power from the engine, helping maintain better fuel economy. A well-maintained compressor that runs smoothly and efficiently uses less energy, conserving fuel. Additionally, ensuring there are no leaks or blockages in the AC system helps maintain proper refrigerant levels and optimal compressor performance, both crucial for fuel efficiency.

We also suggest protecting your vehicle no matter where you are. Park in shaded areas or use sunshades to protect your interior. 

Open the windows when you first get into your car on a hot day. Let the open windows air out some of the hot air while you start your vehicle, then allow the AC to gradually cool the interior down. This puts less demand on the AC and helps cool your car faster. 

Staying Cool All Summer Long

Efficiency starts by understanding your vehicle a little better. Want a cooler, more comfortable drive? It starts with creating a well-maintained vehicle, one that drives well in any road condition. 

How can we help you? Have an AC problem? Have questions about how air conditioning works? We’re here to help you with all of your needs. 

Filed Under: Heating-Air Conditioning Tagged With: Refrigerant Ac Efficiently

The Impact of Weather on Your Car’s Performance

June 14, 2024 by Denver Express Car Care

Heading to work this morning? Need to run an errand? We think very little about our car’s performance when we slip behind the wheel. We turn the key, and expect it to go. 

But what if it doesn’t? What if you hear a noise? Or feel a vibration? Or smell something that definitely isn’t normal. Then what?

You might jump to thoughts about your drive in the past few days. Did you knock something loose when you hit the pothole? 

You might also ask yourself: Could it be the weather? 

Weather can have a big impact on your car’s performance. And weather is something that changes frequently across the Front Range. Cold one minute, sizzling hot the next. 

Did you know summer and winter can both take its toll? 

How Summer Impacts Your Car’s Performance

You’re driving along, air conditioner full blast. Except it doesn’t seem to be working. You roll down the windows – anything to escape this intense heat. You chug water, trying to stay cool. Only a few more hours and the sun will fade. 

You know what it feels like on the hottest days of the year. Now imagine what your car must be going through. 

The engine is at risk of overheating. The intense heat can cause your engine to overheat if your cooling system is malfunctioning. 

The Impact of Weather on Your Car's Performance

Tire pressure fluctuates as it connects with scorching pavement. Warm weather causes tire pressure to increase, potentially leading to overinflation and increased risk of a blowout. 

The battery might fail. High temperatures can cause battery fluid to evaporate, damaging the internal structure and reducing battery life. 

And your brakes – what if they fail? Higher temperatures can cause brake fluid to boil, leading to brake fade and reduced braking efficiency. 

Maybe you’ve noticed it as you pull in for fuel more frequently. On hot days, you use more air conditioning, which can lower fuel efficiency as the engine works harder to power the AC system. That extra work can also impact the cooling system as it works harder to keep the inside of your car cool.

Heat makes every fluid in your car evaporate a little quicker at high temperatures. That includes motor oil, transmission fluid, coolant, and brake fluid. 

Sun beating down can take its toll on the exterior and interior. Prolonged exposure to the sun can damage paint and interior materials. 

Tips for Maintaining Your Car in Summer

Why fix what’s not broken? That’s the way many drivers look at car maintenance. Yet we think there’s a better way. 

See, when you take a proactive approach, you’re conditioning the various systems in your car to be in tip-top shape. You catch potential problems long before they have a chance to materialize. Which means you won’t face the consequences on the road, when you least expect it. 

What we suggest for summer car maintenance is pretty easy:

  • Schedule regular check-ups to ensure all systems are functioning correctly.
  • Keep an eye on all fluid levels and top them up as needed.
  • Monitor tire pressure and inspect for signs of wear and tear.
  • Ensure the cooling system is in top condition to prevent overheating.
  • Test your battery and clean any corrosion to maintain optimal performance.
  • Use sunshades and protective coatings to safeguard your car’s exterior and interior.

Easy peasy. And this stuff really makes a difference. You can skip worrying about your car all summer long. Until winter hits …

How Winter Impacts Your Car’s Performance

You’re at work, dreading the drive home. The temperatures have dropped. Snow is creating whiteout conditions. Ice is piled everywhere. 

Did we mention cold? You know it’s cold when there’s a negative on the thermometer. Maybe getting home won’t be the problem. Maybe getting the car started will be the issue. There is a lot that can impact your car’s performance. 

Battery life is always impacted on those bitter cold days. Low temperatures reduce battery capacity, making it harder for the engine to start. 

Cold weather can cause your tires to lose traction, especially on icy or snowy roads. 

Ever feel like you slow down, cuddled in your jackets, trying to keep the blood flowing? As the temperatures drop, your car goes through a similar experience. Cold temperatures can cause engine oil and other fluids to thicken, reducing engine efficiency. 

When you’re ready to head out, you let your car idle for a bit, just to warm up. That extra idle time lowers efficiency and consumes more fuel. 

And though it may sound counterintuitive, coolant can freeze, which in turn can cause engine block damage. You need a coolant mixture that has the right amount of antifreeze to prevent it from freezing up, summer and winter. 

You may feel like you slip and slide more, but it’s not just the tires. Brake performance can also be impacted, making them less responsive. A quick check can tell if your brake fluid levels are topped off and brake pads are in good working condition. 

A malfunctioning heating system can make the drive uncomfortable and unsafe. Regular checks ensure the heater core is in good working condition. 

Tips for Maintaining Your Car in Winter

You’ve had your car inspected in the spring, ready for summer. Why look at it in the fall, getting ready for winter? Think back to all the places you’ve driven, all the rough roads you’ve traveled over, and the adventures you’ve had. Every mile can impact your vehicle. That’s why it’s time once again to schedule a maintenance visit. 

  • Schedule regular check-ups to ensure all systems are functioning correctly.
  • Switch to winter tires for better traction and control.
  • Keep an eye on all fluid levels and top them up as needed.
  • Test your battery and consider using a battery warmer.
  • Ensure the coolant mixture is suitable for low temperatures.
  • Use winter wiper blades and keep washer fluid topped up.
  • Carry de-icing tools and use proper defrosting techniques.
  • Wash your car regularly to remove salt and apply rust protection.

Imagine, two maintenance visits a year to keep your car in good operating condition. Two maintenance visits a year to ensure your car is running well. 

It doesn’t take much. But it can make a world of difference. In the way your car handles. In the amount of money you spend on repairs. In the way your car operates out on the road. In the peace of mind it brings you. 

When was your last maintenance inspection?

Filed Under: Car Maintenance Tagged With: Car’s Performance

The Importance of Transmission Service: What You Need to Know

June 7, 2024 by Denver Express Car Care

Some car maintenance words are so … challenging. You hear them. You play along – of course, you know what they mean. Who doesn’t know what a differential is? Or a serpentine belt, a tie rod, or a caliper. A transmission? Well …

We get it. Not everyone is meant to be a mechanic. You have a lot going on in your life. You’re running around from morning til night. You don’t need to know the inner workings of a transmission. But what you do need to know is the importance of transmission service. 

A Car Transmission – The Basics

When you hear the term transmission, think about wheels. A transmission is a mechanical component that is responsible for transmitting power from the engine down to the wheels. It gives you the ability to control the car’s speed and torque by shifting gears. This allows the engine to operate efficiently across various speeds and driving conditions. 

This is what allows you to accelerate, decelerate, and maintain speed. 

You may be driving an automatic transmission now, but there are several other types. A manual transmission allows you to manually shift gears using a clutch pedal and a gear stick. A continuously variable transmission provides seamless acceleration without distinct gear shifts by using a system of pulleys and belts. A dual-clutch transmission uses two separate clutches for odd and even gear sets, creating faster and smoother gear shifts. 

If your brain is already moving to “too much information,” we get it. We’re not going to give you the advanced version of how a transmission works. Suffice it to say that all you need to know is that your car won’t go if the transmission isn’t operating well. That’s why transmission service is so important. 

The Importance of Transmission Service: What You Need to Know

Is It Time To Schedule Transmission Service? 

If you’ve been driving for any length of time, you know cars need regular service to keep operating. With thousands of parts, each system is set up on its own schedule. The best way to learn about each system is to check with your owner’s manual. Of course, getting to know a local mechanic can help too. They can keep you updated on how well your car is operating, and what you can expect in the future. 

Transmissions aren’t like oil changes – they don’t need servicing every few thousand miles. That said, most makes and models do suggest transmissions are serviced every 30,000 to 60,000 miles or so, just to ensure they’re working well. 

This is where a mechanic will change transmission fluid and filter, inspect the transmission pan, and check for leaks and other issues. They’ll look for any signs or wear or damage, and evaluate it for proper operation. 

The 30,000 to 60,000 rule is just a suggestion. Think about the way you drive. If you frequently drive under severe conditions – towing, driving in heavy traffic, or in extreme temperatures – you might need to bring your car in more frequently. 

What a Mechanic Will Do During a Transmission Service

You bring your vehicle in for a transmission service. A mechanic will start with a transmission fluid change. 

This means the mechanic will drain the old transmission fluid and refill it with new fluid. This helps to remove contaminants and ensure the transmission operates smoothly. 

Transmission fluid is essential for a variety of reasons. 

  • It lubricates the moving parts inside the transmission, reducing friction and preventing wear and tear. 
  • It helps dissipate heat generated by the transmission during operation, preventing overheating, which can cause damage.
  • In automatic transmissions, the fluid acts as a hydraulic fluid, enabling the transmission to shift gears smoothly.
  • It contains detergents and additives that help clean and protect the internal components from corrosion and buildup of debris.
  • It ensures the transmission operates efficiently, providing smoother gear shifts and better overall performance.
  • It prevents damage. Old, degraded fluid can lead to overheating, slipping, or harsh shifting, which can cause significant damage to the transmission components.

That’s a lot of reasons to upgrade your transmission fluid, right? If for no other reason than to give your car new transmission fluid – that should be reason enough to bring it in for regular servicing. Of course, a mechanic does more than that. 

They’ll replace the transmission filter, which helps keep the fluid clean by trapping debris and particles. They’ll remove the transmission pan, clean it, and inspect it for any metal shavings or debris that can indicate wear or damage. They’ll check for fluid leaks. They’ll inspect and adjust bands and clutches and clutches and gears, just to ensure everything is working the way it should. 

And that’s all that really matters. When you drive away, you want the peace of mind that comes with knowing your car is in good shape and won’t need servicing again for a long while. 

You’re good to go, and your passengers will be safe and secure as you go about your busy days. 

Your Transmission Is Saying: It’s Time For Servicing

The easiest way is by watching your mileage – if it’s been 30,000 to 60,000 miles since your last transmission service, it may be time. Of course, vehicles are built to alert you when things are starting to go wrong. 

That trusty check engine light on your dashboard is a catch-all for all sorts of vehicle issues. When that pops on, schedule a visit. It helps keep your car in tip-top shape, fixing minor issues before they grow more significant. 

Pay attention to strange noises, like whining, humming, clunking, especially when shifting gears. Or if you notice anything funny with the way the car shifts – it might slip out of gear while driving, or delay when shifting from park to drive. These are all signs the transmission needs attention. 

See a leak on your driveway where you normally park your car? If it’s a reddish color, it can indicate a transmission fluid leak. You can also pop the hood to see if you notice leaks. If you regularly check the transmission fluid’s color and consistency, it should be a clear reddish color. If it’s dark, dirty, or has a burnt smell, it’s time for a change. 

Bottom line: if something “feels” off, it’s best to bring it in. 

You know your car. You know if something doesn’t feel right. And if you notice any of the signs above, it might be your transmission. Bring it in, we’ll fix it, and have you on the road again. 

Isn’t that what’s most important? 

Filed Under: Transmission Tagged With: Transmission Service

When Things Heat Up, It Might Be Time For Car AC Repair

May 24, 2024 by Denver Express Car Care

What does summertime in Colorado mean to you?

  • As much time outside playing with your friends. 
  • A drive into the mountains – it’s beautiful, with so much to do.
  • Taking the kids on small road trips to see more of this amazing state.

Whether you said yes to one of those, or you have a list all your own, chances are you’ll spend a lot of time behind the wheel. Have you seen the roads these days? It’s endless traffic. Will you spend the time with your windows rolled down because the AC doesn’t work?

Maybe it’s time for car AC repair. 

Your Car AC System

Your car’s AC works similarly to your home’s AC. At the heart of the unit is refrigerant. It’s a special fluid with a low boiling point. It moves into a compressor, which increases its pressure and temperature, turning it into a gas instead of a liquid. 

It then moves to a condenser that dissipates the heat from the refrigerant, causing it to condense into a high-pressure liquid. It flows through an expansion valve where it regulates the flow of the refrigerant, reducing the pressure, causing it to expand rapidly. This leads to a drop in temperature. 

The now-cool refrigerant flows into the evaporator, located in the car’s dashboard. Air from outside the car is drawn in and blown over the evaporator coils, cooling the air. As it moves over the cold coils, moisture condenses, dehumidifying the air.  

When Things Heat Up, It Might Be Time For Car AC Repair

The blower fan then pushes the cooled and dehumidified air into the passenger cabin, lowering the temperature to your desired level. Using the thermostat and controls gives you a chance to adjust the desired temperature and fan speed, regulating the overall operation. 

It may seem like a fairly simple operation, but a number of things can go wrong. 

What’s Wrong if Your Car AC is Blowing Hot Air?

Now that you know how a car AC works, it’s easier to understand what can go wrong. 

It Might Be a Refrigerant Leak

One of the most common reasons for blowing hot air comes from a refrigerant leak. If there isn’t enough refrigerant inside the system to circulate properly, it won’t be able to cool your passenger compartment. Refrigerant isn’t colored like other fluids inside your car. It typically appears as a clear, oily liquid, though it can pick up dirt and debris, darkening the appearance. It often appears as a faint rainbow sheen if it hits the pavement. 

It Might Be Compressor Issues

The compressor is responsible for pressurizing the refrigerant. If it isn’t working correctly or engaging, the AC won’t cool the air. This could be from a variety of issues, including electrical issues, a faulty clutch, or other compressor-related problems. 

It Might Be a Condenser or Evaporator Problem

The condenser or evaporator can leak or clog over time, which will also lead to warm air blowing through the AC vents. This can be from age or wear and tear over time. 

It Might Be Clogged or Blocked Air Filters

Air from outside moves into the system before it’s cooled and blown into the passenger compartment. It moves through a filter, which can clog over time. In some cases, fixing your AC system could be as simple as cleaning or replacing an air filter. On many vehicles, this filter can be found at the base of the windshield, making it easy to find. You can use a vacuum to suck out dirt and debris. If that doesn’t fix the problem, it could be a deeper problem. 

It Might Be Electrical or Sensor Issues

Today’s modern cars are heavily controlled by electrical components and sensors. If a problem starts in any one of these areas, it can also cause the AC system to malfunction. Issues with temperature sensors or the control panel may prevent the system from regulating the temperature. 

It Might Be The Cooling Fans

The cooling fans in front of the condenser help dissipate heat from the refrigerant. If these fans aren’t working correctly, the AC may struggle to produce cool air. You’ll often notice this more when your car is idling, or you’re driving around the neighborhood at low speeds. 

How To Properly Maintain Your Car’s AC

The good news is a car’s AC system is easy to maintain. 

Every year, you schedule a checkup with your doctor just to check in. They might request bloodwork, take a few measurements, or schedule a few tests to ensure you’re in good health. 

Taking the same approach with your vehicle can ensure it stays operational all year, no matter where the drive takes you. Schedule a maintenance visit before summer heat kicks in, and a mechanic will inspect your AC systems for signs of leaks, wear and tear, or any damage that may have occurred. If you notice unusual noises or strange odors, have them addressed promptly by a technician. 

We’ve mentioned it before, but it’s worth mentioning again. Replacing the cabin air filter ensures proper airflow and helps maintain air quality inside the car. Check your owner’s manual for manufacturer recommendations, or replace it more frequently if you drive in dusty environments. 

You should also check refrigerant levels from time to time. If you notice a decrease in cooling performance, have the refrigerant levels checked by a professional. Low refrigerant levels can indicate a leak or other issues within the system. 

It’s also important for a technician to occasionally inspect the belts and hoses connected to the AC compressor for signs of cracks, wear, or leaks. Age impacts a lot of things under the hood – don’t wait until they’re damaged. It’s easier on the pocketbook and your peace of mind if you replace it before it gives you trouble. 

Schedule Car AC Repair Before the Heat of the Summer

As the temperatures rise during the summer months, your car’s air conditioning becomes an essential component for comfort and safety. To ensure your AC system is ready to tackle the heat, schedule any necessary repairs or maintenance before the peak of summer arrives.

By proactively addressing any issues with your car’s AC system, you can avoid the inconvenience of being without cool air when you need it most. Whether it’s addressing refrigerant leaks or simply performing routine maintenance, taking care of your AC system before the summer heat sets in can help prevent breakdowns and ensure optimal performance.

Don’t wait until the sweltering heat of summer is upon you. Take proactive steps to schedule any necessary repairs or maintenance for your car’s AC system now, so you can stay cool and comfortable on the road when the temperatures soar.

How can we help you? 

Filed Under: Heating-Air Conditioning Tagged With: Car AC Repair

Buying Used? Car Inspection Service Is What You Need

May 18, 2024 by Denver Express Car Care

They say new car prices are falling in 2024, but with the average price still hovering near $49,000, that can impact your new car purchasing plans. 

Used cars aren’t faring much better. Fewer leases occurred during the pandemic, which means fewer certified pre-owned vehicles are making their way to the used car marketplace. With fewer cars available, this means premium pricing for the used cars that remain. 

If you’re in the used car market, how do you know if you are about to purchase a good vehicle? What can you do to put the odds in your favor? Used car inspection service may be just what you need. 

Used Car Inspection – Self Service

When you’re looking at a used car, there are some things you can evaluate on your own. 

Take a walk around the vehicle to look at the exterior and body. Check for dents, scratches, rust spots, and panel alignment to ensure there hasn’t been any unreported damage. This may be easy to spot, and you might be okay with the damage that’s there. But it is important to know what you’re walking into before you sign on the dotted line. 

Examine all glass and mirrors for cracks and large chips. This can obstruct your vision and be a safety hazard. Ensure lights and lenses are all intact and functioning properly so you can drive safely at night. 

Buying Used? Car Inspection Service Is What You Need

With the outside inspected, it’s time to open the door and climb inside. Check the upholstery for tears, stains, and general wear in the seating and carpet. 

Evaluate the controls and the dashboard panel. Confirm that all gauges, lights, and indicators work, including the HVAC system, stereo, and navigation. 

Test all power windows, locks, and sunroof to ensure they operate smoothly and without issue. 

Take the time necessary for a full inspection before you go for a test drive. Being on the road can alert you to any noises, smells, feelings you get as you navigate through the community. Take note of any issues for further inspection.

Used Car Inspection – Find a Trusted Repair Service

If a vehicle passes your self-inspection test, it’s time to bring your vehicle in to have a professional check it out. 

It’s one of the reasons we like to partner with drivers when it comes to taking care of their cars. If you get to know us as you care for your vehicle, you’ll have someone to trust when it comes time for purchasing something new. We’ll have an established relationship to help you through this major purchase. You’ll feel better as you drive away with a new-to-you car. 

We’ll also give it the once-over to examine the body and exterior, as well as the interior and comfort. You might have already noticed a few of these items, but we’re happy to give you our opinion on how they will fare in the future. 

From there, we head under the hood. Diagnostics is a friend; it will alert you to any potential problems. It can find things we aren’t capable of seeing with our eyes. Instead, it looks through a mechanical and electronic lens, and pulls anything that may differ from what the guidelines expect. 

Of course, that doesn’t mean a trained and experienced mechanic can’t fully inspect a car and give you an opinion. We can do a lot of things to determine its condition. Like checking fluid levels and the condition of the oil, coolant, brake fluid, and transmission fluid. We can inspect belts and hoses for wear and leaks. We can assess the battery’s age and health, and check the wiring or for any obvious issues. 

From there, we head under the car. We check the condition of the shocks, struts, and brake pads and look for signs of uneven wear. Because a car with a faulty suspension or brake system is clearly one you may want to reconsider. 

Here in Colorado, we have stringent exhaust regulations in place. We’ll check out the exhaust system, looking for rust, holes, or illegal modifications. If it can’t pass an emissions test when you buy it, it’s only looking for trouble down the road as you continue to face issues. 

Then we’ll evaluate the drivetrain, examine the transmission, differential and axles for leaks and wear. We understand here in Denver you might drive as much in the city as you take in road trips deep into the mountains. We’ll make sure your car is ready wherever the road takes you. 

It’s time to check the tires. We’ll evaluate tread depth and wear patterns, which can indicate issues with alignment or suspension. We’ll check the wheel alignment and confirm that the car drives straight without pulling to the left or right. Then we’ll take the car out for a road test to see how it performs. There’s a lot a mechanic can tell simply by driving it around – we’ll ensure everything runs smoothly without hesitations, noises, or anything else that seems ineffective. 

One Final Test – Many Drivers Forget This

You’re looking at buying a new-to-you car. You’re excited about the make and model. You like the looks and are happy with its condition. But there’s still one more check you should make, and that includes a history and documentation check. 

Depending on who owned the vehicle, you may be able to get a service history to review. This can alert you to past servicing and give you a better idea of the maintenance routine. 

A trusted mechanic will alert you to any recall information, to ensure there are problems that need to be fixed, or recalls that have already been addressed. 

If you’re purchasing from a private party, do a title and ownership check too. This will ensure the vehicle’s documentation is legitimate and there are no liens against the car. 

Congratulations!

With all of these checks and inspections in place, you can purchase the used car with more confidence and good faith. 

Then as you drive away and back into your daily routine, remember, regular maintenance is what ensures a long life. Check your owner’s manual, set up a schedule, and bring your car back in for regular routine maintenance. 

We’ll help ensure your used car has a long life. 

Filed Under: Car Maintenance Tagged With: Used Car Inspection Service

Car Exhaust System Acting Up? Repair It Now

May 14, 2024 by Denver Express Car Care

If you’ve been driving for a while, you probably recognize the signs of brake trouble. Nothing sounds like screeching metal-on-metal when brake pad material is wearing down. 

You know to replace the oil periodically, and to buy new tires when the tread is fading. 

But what about a car exhaust system? When is it in need of repair? How do you know? 

Like any system on your vehicle, there are warning signs. Paying attention on your daily drive can alert you to potential problems. And provide warning signs to fix your vehicle quickly to avoid bigger issues down the road. 

The Purpose of a Car Exhaust System

In simple terms, a car exhaust system has one purpose: to remove harmful substances and gasses away from the vehicle. In truth, it’s a bit more in-depth. 

The exhaust system’s primary purpose is to reduce harmful emissions from the engine. Components like the catalytic converter help turn hazardous gasses such as carbon monoxide, nitrogen oxides, and hydrocarbons into less harmful substances like carbon dioxide, nitrogen, and water vapor before they are released into the environment. But that’s not all it does. 

Car Exhaust System Acting Up? Repair It Now

The exhaust system helps to efficiently expel combustion gasses from the engine, which is crucial for maintaining proper back pressure in the engine. Optimal back pressure ensures that the engine runs efficiently, maximizing power while minimizing fuel consumption. You wouldn’t have an efficient, well-performing engine without the exhaust system. 

Have you ever listened to a car where they’ve stripped away parts of the exhaust system? The exhaust system, particularly the muffler, plays a crucial role in dampening the sound made by the escaping exhaust gasses. This noise reduction is essential for meeting regulatory standards and for maintaining a quieter operation of the vehicle. 

It’s not just a noise reducer; it’s about safety too. The exhaust system directs exhaust away from the vehicle, keeping harmful pollutants away from the engine and the vehicle’s cabin. That creates a safer environment for the car’s occupants and reduces potential heat damage inside the engine compartment. 

It’s Not Just Creating a Safer Vehicle; It’s Regulated Too

The exhaust system may be a part of your vehicle, but it does just as much for the environment as it does for your car. Cars are subject to stringent regulations designed to protect the environment and public health. Governments around the world have established specific standards that dictate how much pollution a vehicle can emit.

Here in the United States, the Environmental Protection Agency (EPA) sets emissions standards for cars and trucks. These regulations focus on limiting the release of harmful pollutants such as nitrogen oxides (NOx), carbon monoxide (CO), hydrocarbons (HC), and particulate matter (PM) into the atmosphere. Vehicles are required to pass emissions testing to ensure they meet these standards before they can be sold or operated on roads.

Colorado has its own set of rules. Years ago, a brown cloud hovered across the Front Range. Today, it’s been replaced by a thick smog. When you hear we’re having a poor air quality day, it’s often due to an overabundance of smog in our atmosphere. 

The Colorado program was set up to monitor gas emissions and keep the worst polluters off the roads. Different counties throughout Denver require an emissions test to register a vehicle. You’ll have to visit a Colorado Air Care Testing Facility according to guidelines to ensure your vehicle fits within the limits. 

How Do You Know If Your Exhaust System Is Acting Up?

Like other systems, a car’s exhaust system won’t fail without warning. It will alert you to potential problems; it’s up to you to recognize the warning signs. 

  • Loud Noises: If you start hearing unusual noises like rumbling or roaring from your exhaust, it could indicate a hole or a disconnected part in the exhaust system, particularly in the muffler.
  • Decreased Fuel Efficiency: If your car starts consuming more fuel than usual, it could be a sign that the exhaust system is not functioning properly. A damaged exhaust system can cause the engine to work harder, which in turn increases fuel consumption.
  • Bad Odors: A well-functioning exhaust system will direct exhaust fumes away from the vehicle to keep them from entering the cabin. If you notice an unusual smell, particularly the smell of rotten eggs (which could be due to a failing catalytic converter), it’s a clear sign something might be wrong.
  • Visible Smoke: Excessive smoke from the exhaust pipe can be a symptom of problems within the exhaust system. Different smoke colors can indicate different issues. For example, blue smoke might suggest oil burning in the engine, while white smoke often indicates a coolant leak. This can happen due to a cracked or warped engine block, a head gasket failure, or a crack in the cylinder head.
  • Check Engine Light: The check engine light can come on for numerous reasons, and one potential reason is an issue with the exhaust system, including the catalytic converter or oxygen sensors.
  • Reduced Power and Acceleration: If your vehicle feels sluggish and lacks power during acceleration, it could be due to an exhaust system problem affecting the engine’s ability to breathe properly.

Car Exhaust System Repair

Maintaining the exhaust system is key to ensuring it runs smoothly, efficiently, and safely. Regular inspections and timely repairs can help prevent larger, more expensive issues down the road and ensure that your vehicle meets emission standards.

It’s a good practice to have your exhaust system checked at least once a year. A mechanic can look for physical damages, leaks, rust, and other wear-and-tear that might affect its performance.

If you notice any of the warning signs of exhaust problems, get your vehicle inspected immediately. Delaying repairs can lead to more significant damage and potentially more costly fixes.

When repairs are needed, using high-quality replacement parts is crucial. This ensures that your exhaust system functions properly and lasts longer without recurring issues.

Due to the complexity and importance of the exhaust system, repairs should generally be handled by professional mechanics. They have the expertise and equipment to diagnose issues accurately and make repairs that comply with safety and environmental regulations.

Can we help you with your car exhaust system repair? 

Filed Under: Car Maintenance Tagged With: Car Exhaust System Repair

Decoding Common Signs of Transmission Problems Before They Escalate

May 3, 2024 by Denver Express Car Care

When you get into your car, you expect it to go. You’ve got a busy day ahead, with lots to think about on your drive into work. 

But what if your car doesn’t go? 

Picture this: You cruise onto the highway, and your engine starts racing. You can hear the transmission isn’t shifting gears. It whines and grinds, but no movement. You know something is wrong. You pull over to the side of the road … it’s going to be a long day. 

Transmission problems can be the most stressful, expensive repair issues to deal with. 

But the good news is you don’t have to wait for transmission problems to escalate before you take action. Warning signs start to appear long before problems occur. Let’s cover a few of them so you can start taking action now. 

Ignoring Maintenance

One of the most common reasons transmissions fail for all vehicles is not following manufacturers’ maintenance recommendations when caring for the engine and transmission. They push the mileage when scheduling fluid and filter changes. They push off maintenance until they “have more time.” 

Here in Colorado, that can be dangerous, especially if you enjoy our outdoor lifestyle. You frequently head up into the hills for skiing, hiking, and biking. You tow campers and boats for a weekend of play. These harsh conditions are taking a toll on your vehicle’s inner-workings. Without proper fluid levels, it no longer lubricates properly. Without clean filters, your vehicle won’t cool properly, leading to overheating, failure, and a host of other mechanical issues.  

Decoding Common Signs of Transmission Problems Before They Escalate

Fluid Leaks

The second most common way your transmission will warn you of pending issues is through a transmission leak. Transmission fluid leaks can occur at various points in the transmission system, including seals, gaskets, or cooler lines. Leaks lead to low fluid, burnt fluid, overheating, and eventual damage that will no longer be repairable by just adding fluid. 

A transmission fluid leak is usually red, ranging from light pink to a brownish color, depending on its age. If you notice this color leaking from your car and pooling underneath the front of your car, it’s likely a transmission leak. Identifying the source of the leak and repairing it promptly is crucial to maintaining proper transmission function and preventing fluid loss, which can lead to overheating and damage. If it isn’t caught early, it can lead to needing a replacement or rebuilt transmission. 

Strange Noises

Vehicle noises differ depending on where the problem lies. But if you hear anything out of the ordinary, pay attention. Can you describe it as humming, buzzing, whining, or clunking? Those are the most common ways people describe transmission problems. With hundreds of parts inside the transmission system, even one loose bearing can throw the entire system off. Each sound signals a different potential issue:

  • Grinding noises typically occur when there’s a problem with the gears, such as worn synchros or teeth. These sounds often indicate that the transmission is having difficulty synchronizing the gears, which can lead to further damage if not addressed.
  • Whining or humming noises might indicate low transmission fluid or a worn-out bearing. Both scenarios can lead to serious transmission issues if left unattended.
  • Clunking sounds when shifting gears could be a sign of worn-out or damaged transmission mounts, which can cause the transmission to shift unexpectedly and result in further damage to surrounding components.

Only  a thorough inspection of the system can isolate where the noise is coming from and point to where the problem originates. Trust your mechanic to get to the root of the problem. 

Warning Lights

Thank goodness for modern cars. Their technological advancements have done wonders helping you solve issues before they escalate and turn into bigger problems. Depending on your make and model, you may have 20 to 30 dashboard lights ready and waiting to alert you to potential problems. Don’t ignore them – they light up for a reason. 

Dashboard warning lights such as the Check Engine Light or Transmission Temperature Light are designed to alert you to potential issues with the transmission system. The Check Engine Light is one of the most common lights to illuminate; it can signal many different issues in your car. Bringing your car in early for an inspection means we’ll catch the problem before it escalates, potentially saving you money on more severe problems. 

Slipping Gears

Do you hear the engine revving higher than it should when driving down the road? Does it lack power or sound like it’s slipping gears? People often describe this in many ways, yet you’ll know when it feels like your car is clunking as you speed up and slow down. 

Transmission slipping occurs when the transmission fails to maintain a consistent gear, resulting in the engine revving higher than usual without a corresponding increase in vehicle speed. This can be caused by many things, including worn-out clutch bands, clutch packs, or torque converters. You can prevent slipping transmission by maintaining your fluid levels and ensuring you don’t have any leaks. When you find a problem, get it fixed immediately. 

Burning Smell

A burning smell is never a good sign. In most cases, a burning smell comes from overheated transmission fluid, or leaking fluid. Low fluid levels cause excessive friction which exacerbates the situation. Ignoring this smell could lead to severe transmission damage or failure.

Solenoid Issues

Solenoids in cars perform many different functions, from helping start the engine to assisting in shifting gears. They control upshifting and downshifting while you drive. If solenoids are damaged or wear down, it can damage your transmission, cause shifting problems, leading to diagnostic codes showing up in your vehicle’s computer. 

A car’s computer sends 100s, if not 1000s, of signals to the solenoids a second, telling your vehicle how much pressure it needs, when to shift, how fast to shift. This level of action eventually wears parts down, causing you to notice it in the way your car shifts and moves. It may be as simple as replacing the solenoid if it has become defective. 

Do you Have Transmission Problems? 

From the moment you notice a first sign of a problem, your best course of action is to schedule an inspection. It’s the easiest way to stop issues early before they rise in significance and escalate to a more costly problem. 

Have a transmission issue? Let’s chat. Give us a call, and we can schedule a time to inspect your car, find the issue, and make the repair. It’s the best way to get you on the road again. It’s the best way to bring peace of mind to your drive. 

Filed Under: Transmission Tagged With: Transmission Problems

Insider Tips and Tricks for Improving Average Fuel Economy

April 28, 2024 by Denver Express Car Care

While the headlines say gas prices are stable, you might shudder every time you pull into the gas station. The national average gas price is $3.59, and if you dream of road-tripping anywhere outside of Colorado, you can expect to spend a fair amount of gasoline to keep your car filled. 

Rather than paying the price at the pump, you might dream of making your car more fuel efficient. Is there an easy way to improve fuel economy? Are there tips and tricks that can save you money every time you pull into the pumps?

What Fuel Efficiency Means

Fuel efficiency refers to how effectively a vehicle utilizes fuel to propel itself and perform its intended functions. Sounds easy enough. But there are a lot of nuances to it.

High fuel efficiency means a vehicle can travel longer distances using less fuel, while low fuel efficiency indicates that more fuel is required to cover the same distance. But there isn’t a “right” or “wrong” guideline to follow. If you drive a large SUV, moving from 10 to 12 MPG might seem like a massive improvement. If you’re already seeing 35 MPG or more, a one or two MPG bump might not seem like much. 

Fuel economy is in the eye of the beholder. 

Still, you know there are benefits. More fuel-efficient vehicles require less frequent refueling, resulting in lower fuel expenses over time. Vehicles with higher fuel efficiency produce fewer emissions per mile traveled, contributing to reduced air pollution and greenhouse gas emissions. Using fuel more efficiently reduces the consumption of finite resources such as oil and gas, promoting sustainability. All are worthy reasons for wanting to improve fuel economy. 

Insider Tips and Tricks for Improving Average Fuel Economy

5 Easy Tips For Fuel Economy Improvement 

What if we told you that better fuel economy isn’t all about maintenance items for your vehicle? There are things you can do just with your daily driving techniques that wind up saving you money at the pump. 

Obey Speed Limits

Driving at higher speeds increases air resistance, leading to greater fuel consumption. Obeying speed limits not only improves safety but also helps maintain optimal fuel efficiency. Keep an eye on speed limits and avoid excessive speeding, especially on highways where aerodynamic drag can significantly impact fuel economy.

Drive Evenly

Smooth acceleration and braking can improve fuel economy by reducing the energy required to move the vehicle. Avoid sudden accelerations and hard braking, as these behaviors waste fuel by increasing engine workload. Instead, accelerate gradually, maintain a steady speed, and anticipate traffic flow to drive more evenly and efficiently.

Pay Attention To Aerodynamics

Aerodynamic drag is a major factor affecting fuel economy, especially at higher speeds. Keep windows closed while driving on highways to minimize drag. Roof racks or carriers should also be removed when not in use to reduce aerodynamic resistance. You can improve fuel efficiency and reduce fuel consumption by paying attention to aerodynamics.

Buy Good Quality Gas

Using high-quality gasoline can contribute to better engine performance and fuel efficiency. Look for reputable gas stations that offer top-tier gasoline, which contains detergents and additives that help keep the engine clean and maintain optimal fuel system performance. While the upfront cost may be slightly higher, the long-term benefits in terms of improved fuel economy and engine longevity can outweigh the expense.

Keep At Least Half a Tank

Maintaining at least half a tank of fuel can prevent fuel pump problems and ensure optimal engine performance. Running on a near-empty tank can cause the fuel pump to overheat, potentially leading to premature wear and failure. By keeping the tank at least halfway full, you not only ensure the reliability of your vehicle but also help maintain consistent fuel efficiency.

5 Easy Tricks To Keep Your Car Primed For Better Fuel Economy

Okay, those are easy tips that can show real benefits in your fuel economy. Of course, the condition of your car does matter. Keep it in good working condition, and you will see a difference in your monthly fuel bills. Don’t worry; it doesn’t take a lot of work to keep it in good working condition. Start with these:

Check Tire Pressure Regularly 

Proper tire inflation is essential for optimal fuel economy. Check your tire pressure at least once a month and before long trips, using a tire pressure gauge. Inflate tires to the recommended pressure specified in your vehicle’s owner’s manual or on the tire placard typically located inside the driver’s door frame. Underinflated tires increase rolling resistance, leading to decreased fuel efficiency.

Engine Tune Up

Regular engine tune-ups help maintain engine efficiency and fuel economy. Follow the manufacturer’s recommended maintenance schedule for tune-up intervals, which typically include checks and adjustments to ignition timing, spark plugs, and other engine components. A well-tuned engine operates more efficiently, resulting in improved fuel economy.

Air Filter Replacement

A clean air filter is vital for efficient engine performance and fuel economy. Check and replace the air filter according to the manufacturer’s recommendations or if it appears dirty or clogged. A dirty air filter restricts airflow to the engine, leading to decreased fuel efficiency and increased fuel consumption. Regular air filter replacement ensures optimal engine combustion and fuel economy.

Use Correct Motor Oil

Using the manufacturer-recommended grade of motor oil can improve engine efficiency and fuel economy. Refer to your vehicle owner’s manual to determine your engine’s correct viscosity and type of motor oil. High-quality motor oil reduces friction and wear on engine components, promoting smoother operation and better fuel efficiency.

Maintain the Exhaust System

A well-maintained exhaust system is essential for optimal engine performance and fuel economy. Inspect the exhaust system regularly for leaks, damage, or rust, and repair or replace components as needed. A faulty exhaust system can lead to decreased fuel efficiency and increased emissions. By ensuring the exhaust system is in good condition, you can help maintain fuel economy and reduce environmental impact.

Thinking of Improving Your Car’s Fuel Economy?

Improving your car’s fuel economy isn’t just about saving money at the pump—it’s also about responsible vehicle ownership and environmental stewardship. But then you know that, don’t you? That’s why you’re here!

Proper maintenance and efficient driving habits can lead to significant savings on fuel expenses over time. By keeping your vehicle in good condition and driving it responsibly, you can maximize fuel efficiency and minimize fuel costs.

Every drop of fuel saved translates to reduced emissions and a smaller carbon footprint. By maintaining your vehicle and driving it efficiently, you contribute to cleaner air and a healthier environment for everyone.

Regular maintenance not only improves fuel economy but also helps extend the life of your vehicle. By addressing issues promptly and following recommended maintenance schedules, you can avoid costly repairs and keep your car running smoothly for years to come.

All are perfect reasons for getting more in tune with your vehicle. 

Need a little help? That’s why we’re here. Stop by or give us a call – we’ll help you take care of your car for life. 

Filed Under: Car Maintenance, Tips & Tricks Tagged With: Improving Fuel Economy

Wired for Success: Understanding the Role of Vehicle Wiring in Auto Repair Diagnosis

April 17, 2024 by Denver Express Car Care

The lights blink on and off. The radio has a life of its own. Is it your car’s battery? Or is it something more? 

It may be your vehicle’s wiring, something only auto repair can fix. 

But this isn’t a job you can leave to just anyone. There are a few rules to get the job done right. 

Electrical wiring problems can be a frustrating task. Every circuit needs a power source. All circuits require continuity. Most electrical devices need a minimum voltage in order to function. If any one piece is off, you’ll have electrical problems. 

What does that mean? Where do you begin? 

What Role Vehicle Wiring Plays to the Overall Health and Functionality of your Car

Have you ever wondered what makes your car tick, beyond the roar of the engine and the spin of the wheels? Picture this: beneath the sleek exterior lies a complex network of wires, each serving a crucial role in automotive performance. From powering your headlights to ensuring your brakes respond swiftly, vehicle wiring is essential behind the scenes. But just how important is it to the overall health and functionality of your car? 

Vehicle wiring is a necessary system of your car, connecting all its parts and ensuring they work together smoothly. Think of it as the electric lifeline that powers everything from your engine to your lights and entertainment systems. Without it, your car wouldn’t be able to do much at all!

Wired for Success: Understanding the Role of Vehicle Wiring in Auto Repair Diagnosis

Modern cars have lots of fancy electronics that control things like how the engine runs and when your airbags deploy. Wiring helps these electronic control units talk to each other and to sensors all over the car. It’s like a big conversation happening under the hood, making sure everything runs just right.

Safety is a big deal in cars, and wiring is a big part of that too. It helps make sure your airbags inflate when they need to, and your brakes work properly to stop you safely. So, having good wiring means your car can keep you safe on the road.

When something goes wrong with your car, figuring out what’s causing the problem can be a real puzzle. That’s where vehicle wiring comes in handy again. Mechanics use wiring diagrams and special tools to trace electrical problems back to their source. It’s like following a map to find a hidden treasure – but instead of gold, they find the solution to your car troubles!

And with all the cool new gadgets in cars these days, like sensors that help you park and systems that keep you from drifting out of your lane, wiring is more important than ever. It’s what makes all these high-tech features work together seamlessly, making your driving experience safer and more convenient.

Corrosion – The Biggest Reason For Failure

Corrosion stands out as the top culprit behind many vehicle wiring failures. Like rusting in metal, this process occurs when moisture and other environmental factors gradually eat away at the wires and their protective coatings. Over time, this corrosion weakens connections, interrupts electrical flow, and can even lead to shorts or complete failures in the system.

Despite manufacturers’ efforts to shield wiring from the elements, corrosion remains a persistent threat, especially in regions with harsh climates or frequent exposure to salt (such as right here in the Rockies, where temperature fluctuations are part of our norm). Even small amounts of moisture can seep into wiring harnesses and wreak havoc over time.

Corrosion affects more than just the exterior of wires; it can also penetrate connectors, terminals, and other components, compromising their conductivity and leading to intermittent or permanent electrical issues. Additionally, corrosion-induced resistance can cause electrical circuits to overheat, potentially leading to fires or further damage to surrounding components.

How to Maintain Vehicle Wiring Over Time

Keeping your car’s wiring in good shape doesn’t have to be complicated. First off, give it a visual check every now and then. Look out for any signs of damage, like frayed wires or spots where the covering is worn away. Keep an eye out for rust or corrosion, especially if you live in places where it’s wet or salty.

Next up, think about protecting your wiring from the elements. A little bit of grease on connectors can help keep moisture out, and using covers or sleeves for exposed wires can add an extra layer of defense. Make sure seals and grommets are doing their job to keep water away.

Watch out for heat, too. Parking in the shade helps keep your engine bay cooler, and try not to overload your electrical system with too many gadgets that could heat things up.

Keep your car clean, especially underneath. Road grime and salt can speed up corrosion, so give your car a rinse regularly. Just be gentle around the wiring – too much pressure can force water where it shouldn’t go.

When you take your car in for maintenance, ask your mechanic to give the wiring a once-over. They’ve got the tools to spot any problems early on, which can save you a lot of trouble later.

And if you notice anything weird – like lights flickering or strange smells – don’t ignore it. It could be a sign that something’s up with your wiring, and it’s better to deal with it sooner rather than later.

Finally, if you’re adding any new gadgets to your car, make sure you do it right. Follow the instructions carefully and make sure everything’s connected securely. A sloppy job can lead to shorts and even fires.

By following these simple tips, you can help keep your car’s wiring happy and healthy for years to come. It’s just a little bit of TLC that can save you a whole lot of hassle down the road!

Schedule Auto Repair Now to Avoid Vehicle Wiring Troubles

A little attention to your vehicle’s wiring can go a long way in preventing headaches down the road. By staying vigilant, protecting against the elements, and addressing issues promptly, you can keep your car running smoothly and avoid costly repairs. 

Remember, scheduling regular maintenance with a trusted mechanic is key to catching potential wiring troubles early. So, why wait? Take proactive steps today to safeguard your car’s wiring and enjoy worry-free driving tomorrow.

How can we help? 

Filed Under: Car Maintenance Tagged With: Vehicle Wiring Auto Repair

Understanding the Impact of Tire Pressure on Fuel Economy

April 10, 2024 by Denver Express Car Care

Have you ever wondered why car manufacturers list a range for fuel economy? Can it really make a difference how and where you drive? 

Car manufacturers will tell you they list a range for fuel economy to provide consumers with an understanding of the potential fuel efficiency their vehicle may achieve under different conditions. Many factors can influence a vehicle’s fuel economy, including driving habits, terrain, weather conditions, and traffic patterns. For instance, a car might achieve better fuel economy when driven on highways at steady speeds compared to city driving with frequent stops and starts. By providing a range rather than a single number, manufacturers aim to give consumers a more realistic expectation of what they might experience regarding fuel efficiency.

Yes, you can save on fuel economy just by paying attention to how you drive. But it’s also important to understand that your vehicle plays a part in this.  

Tires Play a Significant Role in Fuel Economy

At first glance, you might be wondering how tires impact your fuel economy. 

Tires may seem firm, but they are flexible as they connect with the road. Let’s talk about rolling resistance. When a tire rolls, it flexes and deforms slightly, which consumes energy. Tires designed with low rolling resistance minimize this energy loss, resulting in improved fuel efficiency. Tires with lower rolling resistance require less energy to keep them moving forward.

Understanding the Impact of Tire Pressure on Fuel Economy

This is determined by the design of the tire. Tread patterns, tire compounds, and construction materials all influence how efficiently a tire moves along the road surface. Manufacturers develop tires specifically to reduce rolling resistance, enhancing fuel economy without sacrificing other important performance attributes like traction and handling.

Does tire size play an essential part in this process? You bet. Larger tires generally have higher rolling resistance compared to smaller ones. They have more surface area in contact with the road, which increases friction and energy loss. But don’t think that merely reducing your tire size will impact fuel economy. Choosing tires that are appropriately sized for the vehicle is essential to contribute to better fuel economy.

Maintenance matters as well. Regular tire maintenance, including rotation, alignment, and balancing, can also impact fuel economy. Properly maintained tires ensure even wear and optimal performance, reducing rolling resistance and maximizing fuel efficiency.

What can you do on a regular basis? Monitor tire pressure. Proper tire inflation is crucial for fuel economy. Underinflated tires increase rolling resistance, requiring more energy to move the vehicle. Overinflated tires can lead to reduced traction and uneven wear. Maintaining the recommended tire pressure specified by the vehicle manufacturer helps optimize fuel efficiency.

It really does make a difference. 

One Tire Is Flat … Now What?

Have you ever been in a situation where one tire has lower pressure than the others? It’s not flat; it just doesn’t match the others. Does it matter? 

In short, yes. If one tire is noticeably flatter than the others, it can have several negative impacts on fuel economy:

Remember that rolling resistance we talked about earlier? A significantly underinflated tire will have higher rolling resistance compared to properly inflated tires. As a result, the vehicle’s engine will need to work harder to overcome the increased friction between the flat tire and the road surface. This extra effort translates to higher fuel consumption and decreased fuel economy.

A flatter tire can create uneven drag, especially at higher speeds. This imbalance can cause the vehicle to pull to one side, requiring additional steering corrections to maintain a straight path. These corrections lead to increased aerodynamic drag, further reducing fuel efficiency.

Driving with one flat tire puts additional strain on the vehicle’s drivetrain components, including the engine, transmission, and differential. This strain can decrease overall mechanical efficiency, resulting in higher fuel consumption.

The more you drive on unbalanced tire pressure, the worse it gets. Continued driving on a significantly underinflated tire can cause uneven tire wear patterns, leading to premature tire wear. As the tire wears unevenly, it becomes less efficient at maintaining traction and stability, further impacting fuel economy.

All of which can lead to safety issues. Driving with a flat tire compromises vehicle handling and stability, increasing the risk of accidents or loss of control. In addition to the safety implications, sudden maneuvers to compensate for handling issues can lead to increased fuel consumption.

How to Maintain Tires and Improve Fuel Economy

Keeping a vehicle in good working condition has many benefits – that’s why you’re reading this. You understand that tire pressure has many benefits, one of them being improved fuel efficiency. 

It starts with properly maintaining your tires. 

While many cars today have a dashboard icon to alert you to improper tire pressure, it’s still something you should check regularly. Use a tire pressure gauge to check the pressure in all tires, including the spare, at least once a month and before long trips. Inflate tires to the recommended pressure specified by the vehicle manufacturer, which can usually be found in the owner’s manual, on a sticker inside the driver’s door, or on the inside of the fuel filler flap.

Misaligned tires can cause uneven wear and increase rolling resistance, leading to decreased fuel economy. Have your vehicle’s wheel alignment checked periodically, especially after hitting potholes or curbs, or if you notice uneven tire wear.

This also means rotating the tires. Rotating tires helps ensure even wear, extends tire life, and optimizes fuel economy. Follow the rotation pattern recommended by the vehicle manufacturer, typically every 5,000 to 7,500 miles, or as specified in the owner’s manual.

Unbalanced tires can cause vibrations and uneven wear, affecting fuel economy and ride comfort. Have your tires balanced whenever you install new tires, replace a tire, or notice vibrations while driving.

Think your tires might be worn out? Worn-out tires have reduced traction, which can impact fuel economy and safety, especially in wet or slippery conditions. Use a tread depth gauge to measure tire tread depth regularly and replace tires when the tread depth reaches 2/32 of an inch or lower.

We also recommend keeping your car clean inside and out. Clean tires regularly to remove dirt, grime, and road debris. Accumulated debris can add weight to the wheels and increase rolling resistance, reducing fuel efficiency. Overloading your vehicle can put excessive strain on tires, leading to increased wear and decreased fuel economy. 

Is Your Vehicle Ready To Go? 

When was the last time you checked tire pressure? If you have any further questions, we’re here to provide the answers. 

Whether you’re debating on purchasing new tires, or have a problem keeping your tires properly inflated, we can help. Keeping your car running well doesn’t have to be complicated. Just a little TLC and regular maintenance will help ensure the longest life possible.  

Filed Under: Car Maintenance Tagged With: tire pressure

  • « Previous Page
  • 1
  • …
  • 8
  • 9
  • 10
  • 11
  • 12
  • …
  • 60
  • Next Page »

Express Car Care
4200 E. Evans Ave. Denver, CO (map)
Phone: (303) 691-2760
Located just southeast of the Colorado Light Rail station

Follow Us Today!

  • Facebook
  • RSS

Shop Hours

Monday: 8:00AM – 5:00PM
Tuesday: 8:00AM – 5:o0PM
Wednesday: 8:00AM – 5:00PM
Thursday: 8:00AM – 5:00PM
Friday: 8:00AM – 5:00PM
Saturday: Closed – A note from the owner
Sunday: Closed

Last car oil change time  – 5:00PM

Click for the BBB Business Review of this Auto Repair & Service in Denver CO

Recent Articles

Why Your Check Engine Light Keeps Coming On—And What to Do About It

Why Your Check Engine Light Keeps Coming On—And What to Do About It

You’re cruising down I-25 or pulling into your favorite coffee shop when you see it—the amber engine icon lighting up your dashboard. Again. The check engine light is one of the most misunderstood … [Read More...]

  • How to Get the Most Mileage Out of Your Tires in Colorado
  • How a Local Mechanic Can Provide Better Service Than a Dealership
  • How to Deal With Car Noises That Only Happen When You Turn
  • Why Regular Belt and Hose Inspections Save You from Major Repairs
  • How Our Long-Term Staff Brings Confidence to Your Car Care

Search Our Site

Brakes Service

How to Know If It’s Time to Replace Your Brake Rotors

The Hidden Dangers of Driving With Low Brake Fluid

Denver Driving Conditions and What They Mean for Your Brakes

Oil Change

Top Benefits of Getting Regular Oil Changes in Denver

Oil Change Specials in Denver: Save Money and Keep Your Car Running Right

Why Regular Oil Changes Are Crucial for Denver Drivers

Suspension

How to Know If Your Car Needs Suspension Repair in Denver’s Bumpy Roads

A Guide To Understanding Bushings on a Car

Tips for Preventing Wear and Tear on Your Car’s Suspension

Transmision Service

How Often Should You Service Your Transmission in Denver?

Transmission Trouble? Common Signs and When to Visit Our Denver Shop

How to Prevent Common Issues with Automatic Transmissions

Engine Service

Everything You Should Know About Your Vehicle’s Timing Belt

Is Your Car Hesitating During Acceleration?

How to Troubleshoot a Rough Idling Engine

Auto Tips & Tricks

How to Deal With Car Noises That Only Happen When You Turn

Top 5 Maintenance Tips for High-Mileage Vehicles

Why Tire Pressure Matters More Than You Think

"Denvers Best Auto Repair and Quick Lube" - Copyright © 2025 - 4200 E. Evans Ave. Denver, CO 303-691-2760