Transmission Service

 

Why is it important?

Transmission gears deliver power from the engine to the drive wheels, shifting automatically to provide the best power and efficiency for your driving speed. A special transmission fluid cools and lubricates the gears. Over time, this fluid degrades, and its lubricant qualities diminish. Changing the fluid at the correct intervals can help prevent premature wear and damage to the transmission.

The automatic transmissions of today are electronically/computer controlled, ingeniously engineered, and incredibly sophisticated, compared to the hydraulically controlled pre-historic models of “the old days.” What does this mean for the vehicle owner? It means much more expense should that transmission have problems.

The cure for this is a no-brainer: Keep the transmission clean and properly maintained for extended service life. The best way to do this is to follow the manufacturer’s suggested service intervals and flush the transmission system as recommended.

Like motor oil, transmission fluid contains additives to control viscosity, oxidation, corrosion, and foaming. And just as in the engine crankcase, deposits form in the automatic transmission housing when these additives get used up under typical driving conditions. Heat is the killer – the mortal enemy of transmission fluid. It causes the additives to get used up more quickly, and causes gum and varnish deposits to build. These deposits stick to valves in the valve body and on clutch plate assemblies. The valve may move sluggishly or become stuck resulting in improper operation. Clutch assemblies may slip or grab, creating shift performance problems. Both of these problems wear a transmission down.

Understanding “Detergency”

A very important characteristic of transmission fluid is its detergency.  It helps control the build-up of sludge and varnish deposits. But if this protective detergent is used up over time, the transmission fluid can no longer keep the system free of these contaminants. By flushing the transmission system these contaminants are removed along with any wear metals that may be present. Once the system is clean and free from these harsh deposits and damaging debris, the new transmission fluid can do its job with ease, by keeping the valves and governors free, protecting and coating the gears and pumps, preventing overheating and oxidation. But the key is to monitor the process and flush the system again when the vehicle reaches the recommended mileage interval.   Routine scheduled maintenance of the transmission system is a vital service for your vehicle.

What is the service?

Completely flush the old transmission fluid and replace it with new, clean fluid of the grade recommended by your vehicle manufacturer.

Manual Transmission Service

A transmission is a speed and power-changing device located between the engine and the driving wheels of a vehicle. It provides a means for changing the ratio between engine RPM and driving wheel RPM to meet each particular driving situation.
Manual transmission fluid provides lubrication to gears, bearings, shafts, and other internal components. Heat, pressure and friction can slowly breakdown the additives in the manual transmission fluid. In addition, small particles of metal may come off the gears as they wear and these metal particles can mix with the fluid. Fluids can also become contaminated with water.

The service includes:

  • evacuating the old manual transmission fluid
  • filling the manual transmission fluid with the manufacturer’s recommended type and quantity of new fluid

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