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Transmission Maintenance for Longevity

October 14, 2023 by Denver Express Car Care

What do you think of when you get into your car? Turning up the heat. Rolling down the window. Adjusting the radio. If you’re like most of us, your vehicle’s transmission might not be the first thing on your mind. 

Occasionally it should. With thousands of moving parts, keeping your car running takes routine maintenance. The transmission is no exception. It can save you a lot of time, money, and headaches down the road. 

A Driver’s Explanation to What a Transmission Does

What exactly does a transmission do? In simple terms, your vehicle’s transmission is responsible for transferring power from the engine to the wheels, allowing your car to move forward and backward. It’s like the middleman between your engine’s power and your wheels’ movement, ensuring your vehicle operates smoothly at different speeds.

Its primary job is to manage the distribution of power from the engine to the wheels, ensuring your car moves smoothly at different speeds and handles various driving conditions. Here’s how it accomplishes this task:

Power Generation – It all starts with the engine. Inside your car’s engine, fuel and air are mixed and ignited, creating controlled explosions in the cylinders. These explosions generate power, turning the engine’s crankshaft.

Transmission Components – Your car’s transmission is made up of several key components. These include the torque converter (in automatic transmissions) or the clutch (in manual transmissions), gears, a gear selector, and a driveshaft.

Transmission Fluid (in Automatic Transmissions) – Automatic transmissions use a special fluid to transfer power. This fluid acts as both a lubricant and a hydraulic medium, helping to transmit power and keep the transmission cool.

Transmission Maintenance for Longevity

Gears – Gears are the heart of the transmission. They come in different sizes and ratios. In simple terms, think of gears as different-sized wheels that mesh together. Each gear represents a different speed or ratio.

Torque Converter (in Automatic Transmissions) – In automatic transmissions, there’s a torque converter between the engine and the transmission. It’s a fluid coupling device that allows the engine to keep running even when the car is stopped. When you press the accelerator, the torque converter transfers power to the transmission.

Clutch (in Manual Transmissions) – In manual transmissions, a clutch connects and disconnects the engine from the transmission. When you press the clutch pedal, it disengages the engine from the transmission, allowing you to shift gears manually.

Gear Shifting – Depending on your driving speed and conditions, the transmission needs to adjust the amount of power reaching the wheels. This is where gear shifting comes into play. In an automatic transmission, the transmission control unit (TCU) or the driver (in some cases) selects the appropriate gear based on factors like speed, throttle input, and load. In a manual transmission, the driver manually selects the gear using the gear shifter and clutch pedal.

Overall, the transmission’s role is to optimize the power generated by the engine for various driving conditions, whether cruising on the highway, climbing a steep hill, or simply idling at a traffic light. It does this by adjusting the gear ratios, ensuring a balance between power and efficiency as you drive.

What Factors Affect Transmission Longevity?

We all expect parts and systems to last a long time. Luckily, your transmission is designed to run effectively for many miles before it starts giving you trouble. Of course, everything wears down eventually. Timing is key. What impacts its longevity? Here are six common culprits:

Not Maintaining the Cooling System – Overheating can be disastrous for your transmission. If you neglect the cooling system, your transmission can overheat, leading to premature wear and damage.

Aggressive Driving – Frequent hard acceleration and abrupt gear changes put extra stress on your transmission. It’s like asking your transmission to perform Olympic-level feats regularly – it won’t end well.

Low Fluid Levels – Transmission fluid acts as a lubricant and coolant for your transmission. Low fluid levels can lead to friction, overheating, and eventual transmission failure.

Hauling Extra Weight – Carrying heavy loads or towing trailers can strain your transmission. It’s crucial to stay within your vehicle’s recommended weight limits to avoid unnecessary wear and tear.

Driving Hard on a Cold Engine – Cold weather can make your transmission sluggish. Being gentle during the warm-up phase allows your transmission to function optimally.

Abrupt Braking – Slamming on the brakes can jolt your transmission, causing unnecessary stress. Smooth, gradual braking is a kinder approach.

How to Approach Transmission Maintenance

Now that we’ve identified the troublemakers, let’s talk about how to keep your transmission in top shape:

Regular Fluid Checks – Make sure to check your transmission fluid regularly and follow your vehicle manufacturer’s recommendations for fluid changes.

Cooling System Maintenance – Keep your cooling system in good condition to prevent overheating. Regularly flush and replace the coolant as needed.

Follow the Owner’s Manual – Consult your vehicle’s owner’s manual for recommended maintenance schedules and procedures.

How Long Does an Automatic Transmission Last?

Automatic transmissions are a bit more complex than manuals, but they can last a long time with proper care. With regular maintenance and gentle driving, you can expect an automatic transmission to last anywhere from 100,000 to 200,000 miles or more. Again, your owner’s manual can give you a better representation of what you can expect. 

How Long Does a Manual Transmission Last?

Manual transmissions are known for their durability. With good maintenance and careful driving, they can often outlast automatic transmissions. It’s not uncommon for a manual transmission to last well beyond 200,000 miles or more.

Overhaul or Replace a Transmission?

If you’re facing transmission issues, you’ll often have two options: overhaul or replace. Overhauling involves repairing and refurbishing the existing transmission, while replacement involves installing a brand-new or rebuilt transmission. The decision usually depends on the extent of the damage and your budget.

Practice Good Driving Habits

Finally, the key to a long-lasting transmission is your driving behavior. Here are some tips to practice good driving habits:

  • Avoid Aggressive Driving – Be gentle on the gas pedal and avoid rapid acceleration.
  • Let Your Engine and Transmission Warm Up – Give your car a minute to warm up in cold weather before driving off. It helps the transmission fluid flow better.
  • Be Easy on the Shifting Process – If you drive a manual, don’t force the gears. Shift smoothly and avoid grinding.

Your vehicle’s transmission is a critical component that deserves attention and care. By understanding how it works and following these maintenance tips, you can extend the life of your transmission, save money on repairs, and enjoy smooth and trouble-free driving for years to come. 

When was the last time you showed your transmission a little TLC?

Filed Under: Transmission Tagged With: Transmission Maintenance

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