At some point all cars will need a transmission flush, VW and Audi vehicles included. This is not to be confused with a typical transmission fluid change. A transmission fluid flush is a far more thorough process that requires professional servicing.
What Is a Transmission Fluid Flush?
In a transmission fluid flush, all of the fluid is drained from the cooler line using a pump inlet flush machine. Fresh fluid is added and the filter is replaced. The keyword here is “all” of the fluid. This is necessary for removing impurities that have accumulated over time; these impurities could degrade transmission performance.
Transmission Fluid Flush Vs Fluid Change
As mentioned, people tend to think of a transmission flush and fluid change as interchangeable terms, though they are different services. With the latter, only about a third of the fluid is removed using the pan-drop method to remove impurities. In a complete flush, the filter is also replaced, new fluid is added, and the pan inspected. Some old fluid still remains in the cooler lines and torque converter. Continue Reading →