Fluid - A/T: Service and Repair

Tools

Note: Top up only with approved ATF.

Filling capacity: approximately 9.0 liters
Change quantity: approximately 4.5 liters

1. Place oil collection pan under the transmission.





2. Unscrew drain screw -A- and drain ATF.

Note: Without ATF, the engine must not be started and the vehicle must not be towed.

3. Replace sealing ring for drain plug and tighten to 20 Nm (15 ft. lbs.).





4. Unscrew control screw -B-.

Note: To undo and tighten the cap nut for the charging valve, counter with an open-ended wrench.

5. Screw off cap nut for the charging valve.





6. Screw connection hose 9507/1 -A- onto charging valve. Top up with ATF via the charging valve until surplus ATF runs out at the control screw bore.

Note: All instructions and test conditions for "Checking and topping up ATF fluid" must be observed for further work steps, refer to Testing and Inspection, Procedures.

7. Connect the Porsche System Tester 2 and call up the ATF temperature.
8. Move selector lever to position F' and allow engine to idle.





9. With engine running, top up ATF again until excess ATF emerges from the bore of the ATF control screw -B-.
10. With the brake pedal pressed, change through all selector lever positions, remaining in each position for approximately 10 sec.

Note: The ATF temperature must not be higher than 40°C at the start of the test.

11. Check the ATF level again and top up if necessary.
12. Replace sealing ring for cap nut and screw cap nut onto charging valve with 20 Nm (15 ft. lbs.).
13. Screw in the ATF control screw with a new sealing ring and tighten it to 20 Nm (15 ft. lbs.).

Tightening torques
Location Thread Tightening torque Nm (ft. lbs.)
Drain plug on ATF pan M10 20 Nm (15 ft. lbs.)
Control screw on ATF pan M10 20 Nm (15 ft. lbs.)
Cap nut to charging valve M14 x 1.5 20 Nm (15 ft. lbs.)