Express Car Care of Denver

"Denver's Best Auto Repair and Quick Lube"

When To Flush Your Brake Fluid

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Did you know that you should flush your brake fluid regularly?  Most of us don’t know when to flush our brake fluid or why we need to do it.

Brake fluid attracts moisture, and when moisture enters the brake fluid system, it creates some hazardous conditions.

  1. Moisture forms acid that attacks the rubber seals and keeps them from sealing properly.
  2. Moisture creates rust and corrosion that can become clogged in small passages and causes engine parts to seize.
  3. Moisture reduces the boiling point of brake fluid.  When brake fluid boils it changes from a liquid to a gas, this  prevents the brake fluid from doing its job correctly.  It can only perform effectively if it remains a liquid.  If your brake fluid boils, a vapor is created that reduces the amount of pressure that’s applied to the brake pads.  If this happens, you can push the brake pedal all the way to the floor and still not be able to stop your vehicle.

This moisture was not a huge issue ten years ago, but on ABS brake systems of today, the rust and debris that collects in the fluid can cause internal damage and be very costly.  For more information on ABS systems check out our blog.

So how do you know when to flush your brake fluid?  Have your technician check the three C’s:   color, clarity, and content.  The color of your brake fluid should be a light amber.  The clarity should be clear, which means it shouldn’t have any particles or debris in it.  And the moisture content should be less than 3 percent.

According to AAA, many cars on Colorado roads today, were built by European automakers and require regular brake fluid inspections, which about half the cars fail.  Such inspections aren’t required here, but someone needs to monitor the color, clarity and moisture content of a vehicles brake fluid, either the owner or better yet, a professional!  Brake fluid flushes are recommended every two years by industry standards, sooner if you live in a humid climate.  Check with your technician and discuss what works best for you and your vehicle.

For all of your Denver Auto Repair needs, trust Express Car Care. Call (303) 691-2760 or stop by our shop today.

What’s So Important About An Oil Filter?

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In the course of our business, we are often confronted with customers who don’t understand the importance of their oil filter.  They are usually focused on the quality of the oil and the cost of the oil change and don’t really see what’s so important about an oil filter?

Oil filters have a very important function and if your oil filter is poor quality, it can shorten the life of your engine and cause other parts to fail.  This small part of your vehicle’s lubrication system plays an important role in protecting your engine from premature wear.  All the moving parts in the engine need clean oil to properly lubricate them.Tiny bits of metal chip off of various engine parts while it’s running.  If these bits of metal are allowed to recirculate through the oil, they could break off other bits of metal, which eventually causes erosion.  A quality oil filter helps prevent erosion from taking place.  The oil filter cleans the oil as it passes through the filter and prevents abrasive contaminants from damaging the engine parts.

It is very important to choose a high quality oil filter because the internal construction and quality of the filter has a huge effect on the life of your car’s engine.  Here at Express Care, we use a Wix oil filter.  Wix was patented in 1954 and has been at the forefront of oil filter technology and performance for passenger cars, trucks, buses and off-road vehicles ever since.

Filtration efficiency or particle size retention is one of the standards used to determine the quality of an oil filter.  Particle size retention is the measure of how well a filter can retain particles of various sizes.  Wix has developed optimum filtration efficiency in their filters.  They are able to trap and hold essentially all the particles larger than 25 microns.  (A human hair measures about 70 microns in diameter.)  These filters can also capture a high percentage of even smaller particles.

Another standard that a quality filter must meet is dirt-holding capacity.  This is the amount of contaminants that can be removed and held by the filter until the filter ceases to function.  The capacity of Wix filters is significantly larger than the minimum requirements specified by vehicle manufacturers to efficiently filter all the oil used during a regular oil change interval.

As you can see, it is just as important to use a quality oil filter as it is to use quality motor oil in our vehicles.  They work together to help our cars run efficiently.

For all of your Denver Auto Repair needs, trust Express Car Care. Call (303) 691-2760 or stop by our shop today.

 

Conventional Oil vs. Synthetic Oil

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We are often asked, “which oil should I use, conventional or synthetic?”  This seems to be an unending debate, conventional oil vs. synthetic oil, but we will try to give you some facts that might make your decision a bit easier.

Conventional oil comes from crude oil that is pumped out of the ground.  The crude oil is refined at an oil refinery and becomes the base stock for conventional oil.   Even though is goes through a refining process  conventional oil still contains small amounts of contaminants that can’t be removed.  Unlike conventional oil, synthetic oil base stock is created artificially or synthesized.  These oils are purer and are custom designed to provide the “ideal” lubrication.

Both conventional oil and synthetic oil have additives to help prevent sludge and deposit build-up, but synthetic oil also has performance additives that provide superior protection for the life of your engine and in extreme driving conditions such as extremely cold or hot temperatures.

Because of the higher purity properties of synthetic oil, it can stand up to heat and withstand colder temperatures much better than conventional oil.  This is a huge advantage when you first start your car in the cold weather.

There are a few more advantages you get by using synthetic oil.  It flows easier in cold weather, so if you live where it gets really cold in the winter, you might want to use synthetic.

Also because synthetic oil doesn’t break down as quickly as conventional oil, there are longer intervals between oil changes.  Although some have thought that synthetics last forever, this is not the case.  Eventually the additives in the synthetic oil will break down like conventional oil and the oil will need to be changed.

The higher cost of synthetic oil has been a major deterrent for some people, but the fact that they extend drain intervals, provide better fuel economy and reduce engine wear, make them more economical than you might think.

Just as we need to do with all the information we receive, we need to decide what works best for us and our vehicle,  so look over  your owner’s manual, see what they recommend and then make your decision.

For all of your Denver Auto Repair needs, trust Express Car Care. Call (303) 691-2760 or stop by our shop today.

Brake Problems

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In Roseville  Michigan, a twenty-four year old man tried to use his feet to stop his runaway truck that had serious brake problems.  After his brakes failed on a busy street in Roseville, about two miles north of Detroit, the man was unable to use his brakes to stop.  So he continued driving but stuck his feet outside the truck in a futile attempt bring the truck to a stop.  Witnesses said the man reached speeds of about 40 mph and struck two cars after going through a red light.  He continued on and was eventually able to bring the truck to a stop but not before he had hit two more vehicles!

Then there was the firefighter that experienced brake problems when he was approaching an intersection while returning from an early morning alarm.  The vehicle was going less than 45 mph and the roads were clear but the temperature outside was near 9 degrees.  He tried to gear down but the automatic transmission didn’t work and there were two cars waiting for the light on either side of the intersection.  Fortunately, he was able to move as far to the left as possible as he approached the intersection and he made a wide right hand turn onto a two lane road and was able to come to a safe stop in an empty parking lot!

Don’t let this happen to you!

Although brake failure accidents are very rare, ( they consist of 5% or less of car accidents per year) we certainly don’t want to be included in that 5%.  So take the steps necessary to maintain your brakes properly and prevent brake problems from turning ugly.  There may be no sure way to prevent the possibility of a brake failure accident, but you can make sure to do your part.

Make sure that your brakes are inspected and serviced regularly.  If there is a recall notice for your vehicle, affecting the brakes or anything else, take it seriously and don’t ignore it.

Listen for grinding or squeaking noises when using the brake, or difficulty actually stopping the car.  Also be aware if your car veers to one side or the other when you put pressure on the brake pedal.  And last but not least, don’t neglect your brake fluid.  Most experts recommend that you completely change the brake fluid every one to two years.  Brake fluid that has been in the car for a year may contain 2% water, which greatly decreases its effectiveness.

For all of your Denver Auto Repair needs, trust Express Car Care. Call (303) 691-2760 or stop by our shop today.

 

Transmission Problems

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As I get older I am even more aware of the small changes in my body and how they affect my abilities.  Just as our bodies give us clues that there might be something wrong, our car’s transmission will give us signs there might be problems.  I’ve listed here five clues that your car might have transmission problems. 

The easiest clue to help us spot possible transmission problems is leaking transmission fluid.  Automatic transmission fluid is essential to keep your car shifting properly.  Transmission fluid is bright red, clear and smells sweet when everything is working correctly.  Unlike motor oil, transmission oil isn’t burned up when it’s used, so if you are low on fluid, it has to be leaking somewhere.  It’s a good idea to have your transmission fluid checked at least twice a year, just to be safe.

Another clue there might be transmission problems is when you are starting your car.  A transmission in need of repair will have trouble turning over or may stutter before turning over.  If this is the case, it could be a simple problem like moisture in the electrical wires or a bigger problem in the transmission.  Have your mechanic test the electrical system and the transmission if you notice these clues.

Every car is built differently and emits different sounds while the engine is running, but usually clunking, whining or humming is a clue there might be problems.  If you notice a sound that you haven’t heard before, have your car checked out by a professional.  Just as your car shouldn’t make unusual noises it shouldn’t be grinding or shaking either!

Your car shouldn’t grind or shake when you start it or while it’s changing gears. Both are signs that your transmission needs attention.  If you notice anything besides a smooth transition between gears, then you might have transmission problems.

The check engine light is the quickest way  to alert you to any problems in your engine.  Most cars use electrical and computer systems to monitor the proper functioning of the transmission.  If the check engine light comes on, check if there are other clues to help you assess if the problems you’re having are related to your transmission.  If you’re in doubt, take your car to a trusted and qualified mechanic to determine whether or not your transmission is in need of service.

For all of your Denver Auto Repair needs, trust Express Car Care. Call (303) 691-2760 or stop by our shop today.

Hottest Car Tournament

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Congratulations to the 1970 Dodge Challenger for winning the third heat of our Hottest Car Tournament!  So far the classic cars have had a slight edge over the new throwbacks.  So let’s get started with our fourth and final heat!  This heat features the winners of each heat and will determine the Champion of our tournament.  Here are the three contestants, make sure your choice is heard!  Place your vote by clicking on Comments below and tell us which car is the hottest.

Classic Mustang

2010 Chevy Camaro

1970 Dodge Challenger

The winner and Champion (by a nose) of our Hottest Car Tournament is the Classic Mustang!  Thank you to those of you who participated!

For all of your Denver Auto Repair needs, trust Express Car Care. Call (303) 691-2760 or stop by our shop today.

Gasoline Octane Ratings

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At a time when it is so important to get the most out of our money we need to understand gasoline octane ratings and how they can effect our wallets!

Since the mid 80’s engines have used fuel injectors with computers to accurately control their air/fuel mix.  The accuracy of the fuel injectors and computers is based on using the proper gasoline for that engine.  The difference in the name and price of the fuel is based on the gasoline’s “octane”.   To determine a gasoline’s octane rating, it is subjected to two testing methods, the motor method and the research method.  The motor method runs the gasoline in an engine running under load and the research method runs the gasoline in a free-running engine.  The octane rating is an average of  the two tests.

Regular gasoline has an octane rating of at least 87.  The octane rating of ” Mid-grade” gasoline ranges from 88 to 90.  “Premium” gasoline rating can vary depending on the state where it is purchased but must be higher than 90 in most states.

The octane rating tells you how much the fuel can be compressed before it spontaneously ignites.  When gas ignites by compression rather than because of the spark from the spark plug, it causes knocking in the engine.  Simply put, the octane rating of gasoline is a measure of its resistance to knock.

Most cars today are designed to run on Regular  87 octane gasoline, but it’s important to check your owner’s manual so you know that you are using the level of octane the manufacturer recommends for your vehicle.  Some people think if you put a higher octane gasoline in your car, you can increase the engine’s power or get better mileage.  This is a myth.  If your car is designed to run on 87 octane, high octane gasoline won’t improve mileage or increase your car’s power.  If your engine runs well and doesn’t knock or ping on low octane gasoline, there isn’t an advantage in switching to a higher octane gasoline.  So save your money at the pump and don’t pay premium prices for something that your car doesn’t need!

 

For all of your Denver Auto Repair needs, trust Express Car Care. Call (303) 691-2760 or stop by our shop today.

Fuel Injection Cleaning Service

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Maintaining our vehicles properly is the only way to ensure peak engine performance and good fuel economy.  Having a fuel injection cleaning service is sometimes overlooked but it is an important part of maintaining your car’s engine.

The fuel injector is a small engine part that injects fuel where it needs to go, at a rate that is best suited for your car.  When it’s in perfect condition, the fuel injector filters out debris that is not good for the engine and also allows the filtered fuel to be used by the engine correctly.  When fuel injectors are dirty, they can’t deliver the correct spray required for your car’s combustion, so your fuel economy and engine performance will suffer.  Fuel injectors get dirty over time because some chemicals in the gasoline don’t evaporate or get washed away and they leave deposits on the injectors. These deposits build up and if they aren’t removed they will clog the injectors.  If your car is misfiring or idles rough, it could be a sign it might need a fuel injection cleaning.

There are different ways of cleaning fuel injectors.  One is to add a fuel injector cleaner to a tank of gas every once in awhile to clean them.  Another way is to have the fuel injector removed, cleaned and serviced professionally.  This is the better method because as well as cleaning, you can also have repair work done on the injector if it’s needed.  It’s important to have your fuel injectors serviced once a year.  When you use an in-tank method of cleaning your injector you are unable to see the condition of the filters, O-rings and other parts of the injector.  All these parts wear out eventually and can cause problems if not replaced.  Also only using the in-tank method can damage parts of the injectors.  When you have a professional fuel injection cleaning service, your mechanic checks the filters, O-rings and other parts to see if they need to be replaced and then replace them if needed.  Though this method may be more expensive and time consuming, it is usually the best cleaning process.

For all of your Denver Auto Repair needs, trust Express Car Care. Call (303) 691-2760 or stop by our shop today.

Winterizing A Car

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We have all heard the saying “all good things must come to an end” and unfortunately this saying is true when it comes to the summer weather.  Summer weather is leaving and winter is on its way!  That means it is time for winterizing our car.  Because of our modern technology, winterizing a car isn’t the major hassle it once was, but it still needs to be done!  These are some simple steps to take for winterizing a car.

Have Your Car Serviced- The oil in your engine needs to be changed regularly to keep your car running smoothly, so if you haven’t had your oil changed, do it now.

Have Your Cooling System Flushed- Your car’s cooling system not only keeps the engine from overheating but also from freezing, so it’s important to flush the system and have it replaced with fresh coolant.

Have the Battery Serviced- Your battery cables, terminals, and fluid should be thoroughly inspected for any damage or wear.  It should also be checked to make sure it has the ability to hold a charge, so you are prepared for the colder weather.  If your battery is more than 4 1/2 years old, consider replacing it.

Replace the Windshield Wiper Blades– Your wiper blades should be replaced with snow blades and make sure there is windshield washer fluid in the windshield washer reservoir.  Don’t use plain water, it will freeze.

Have Your Tires Checked-Your tires should be checked to make sure they are in good condition for winter weather.  You may want to consider using snow tires during the winter months, they do a much better job than an all-weather tire in the snow.

Have Your Brakes Checked– There is nothing more frightening than trying to stop in bad weather and not having your brakes do their job.  If you haven’t had your brakes checked in the last six months, now is a great time to do it.

Those are the major steps that should be completed in winterizing a car but there are some small details you should do also.  Put together an emergency kit for your car with a blanket, gloves, ice scraper, a small snow shovel, flashlight and kitty litter ( for traction in snow).  Check the lights, heater and defroster to make sure they are working properly and have them repaired if not.  You should also keep your gas tank as full as possible to prevent moisture from freezing in the gas lines.

For all of your Denver Auto Repair needs, trust Express Car Care. Call (303) 691-2760 or stop by our shop today.

 

When Do You Replace Tires

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Your ability to control your vehicle depends on the traction between your tires and the road.  Tires don’t need to have tread designs or much tread depth to give you traction on a dry road, but tires do require tread designs to generate traction on wet, slushy or snow-covered roads.

A tread design is necessary to direct water and slush from between the tire and the road, as well as provide edges that cut into the snow.  When water collects on the road surface during a rainstorm, the depth of the water, the speed you are driving and your car’s weight, along with the tires’ tread design and depth, are all factors in determining when and if the tires will stop the car quickly or force it to hydroplane or float.    

It isn’t difficult to understand that the tread on tires will wear away over their life and the volume of their tread grooves will be reduced.  This is a gradual process and you may not notice it day-to-day, but eventually there will be a time when you notice your car slip in the snow or hydroplane in the rain or just not stop quickly when the road is wet.

So when do you replace tires?  If rain and wet roads are your main concern, it’s recommended you replace your tires when they reach approximately 4/32″ of remaining tread depth.  Since water can’t be compressed, you need enough tread depth to allow the rain to escape through the tire’s grooves.  If the water can’t escape fast enough, your vehicle’s tires will be forced to hydroplane on top of the water, losing traction and increasing your stopping distance.

If you drive on snow-covered roads you should replace your tires when they reach approximately 6/32″ of remaining tread depth so you can maintain good mobility.  You need more tread depth in snow because your tires need to compress the snow in their grooves and release it as they roll.  If there isn’t sufficient tread depth, the “bites” of snow your tires can take on will be reduced and your vehicle’s traction and mobility will be sacrificed.

While replacing your tires before they are completely worn out may not seem to be very economical, it is far less expensive than repairing your car after you’ve had an accident because your tires needed to be replaced and weren’t!

When you replace the tires on your vehicle it is recommended that you replace all four tires at the same time and also have your car checked to make sure it is aligned properly.  All these steps will give you longer life for your replacement tires.

For all of your Denver Auto Repair needs, trust Express Car Care. Call (303) 691-2760 or stop by our shop today.

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