ATF Flush, Testing

ATF Flush, Testing

• ATF filled, refer to => [ ATF, Filling for ATF Flush ] ATF, Filling for ATF Flush.

• The input shaft (air gap) adjustment is OK. Refer to => [ Input Shaft Adjustment, Air Gap, Checking ] Input Shaft Adjustment, Air Gap, Checking

- Drive the vehicle off the hoist.

• For vehicles with air suspension, the vehicle lifting mode must be deactivated.


Do not let the engine run or tow the vehicle without ATF.

- Follow the following specifications exactly and carry out all safety instructions.


In following test drive, all traffic laws must be followed. If necessary, vehicle must be driven on a test site.

- Start the engine.

- Move the selector lever into D.

- Shift selector lever into tiptronic gate.

- Move the wheels by lightly pressing accelerator.

- Pay attention to the display of the mode display in the instrument cluster

- Switch from 1st gear to the highest gear by pressing the selector lever toward +.

- Switch back to the 1st gear by pressing the selector lever to -.

• Press brake pedal if necessary.

- Press the brake pedal and brake the wheels down to 0 km/h.

- Place selector lever in position R.

- Move the wheels by slightly pressing the accelerator pedal until you reach 20 km/h.

- Press the brake pedal and slow down to 0 km/h.

- Switch the selector lever back to the position D and repeat the entire process five times.

• The process must be done five times in order to make sure that the old ATF is mixed with the new ATF.

- Switch the selector lever to the position P and turn off the engine.

- Drain the ATF. Refer to => [ ATF, Draining for ATF Flush ] ATF, Draining for ATF Flush.

- Fill the ATF. Refer to => [ ATF, Filling for ATF Flush ] ATF, Filling for ATF Flush.

- Carry out ATF flush => [ Flush ATF: ] ATF Flush.