Parts : ATF Type T-IV - $4.83 at the dealership. Drain Plug Gasket (Washer) - $1.50 at the dealership (picture of the used one) 1. Locate the Transmission Drain Plug, right underneat the auto trans oil pan. It is at the opposite side of the Engine Oil drain plug. 2. Removed the drain plug with the Hex wrench. Removed the gasket as well. Symptoms of a bad transmission gasket include leaking transmission fluid and transmission performance problems. Transmission gaskets are usually replaced once every 30,000 to 100,000 miles. If the transmission pan gasket is damaged, you need to replace it right away. Takes 2 or 3 ppl and a 6 pack for the actual flush part. -Drop pan, drain fluid, change filter, put pan back on. -Throw 7 qts of ATF into the pan. -Remove the trans cooler supply line and throw it in a 5 gallon bucket. -Chock the wheels, have someone on the brakes and start up and put in D. How Often Do You Need to Change Transmission Fluid? Most manufacturers recommend performing fluid flushes every 30,000-60,000 miles for a manual/CVT, 60,000-100,000 miles for an automatic, and checking fluid levels at least twice a year for each. However, when to change your transmission fluid ultimately depends on your specific vehicle. The automatic transmission fluid is normally filled with lifetime fluid. However, BMW does not define what the lifetime is. Therefore, it is a good idea to service you fluid every 60,000 miles. If you're unsure of the last service, replace the fluid as soon as possible. Doing so will extend the life of your transmission. Transmission Fluid Service Service How much does a Transmission Fluid Service cost? On average, the cost for a Mercedes-Benz E350 Transmission Fluid Service is $335 with $97 for parts and $238 for labor. Prices may vary depending on your location. Parts Required: New Filter, 6 quarts of JWS 3099 equivalent fluid Performance Gain: Increased transmission longevity Complementary Modification: Change engine oil Replacing your oil is easy. Porsche knows that this needs to be performed once about every 3,000--5,000 miles and designed the car that way. On the other hand, changing the tranny fluid is not an easy task, and you can probably bet that the previous owner of your car did not perform this task as often as they should have when they owned it. 1. Bring the transmission up to normal operating temperature (the radiator fan comes on). 2. Park the vehicle on level ground, and turn the engine off. 3. Remove the drain plug (A), and drain the automatic transmission fluid (ATF). Then reinstall the drain plug with a new sealing washer (B). gUUd0O.

how much to change automatic transmission fluid