Changing Oil For All-Wheel Final Drive

Information 

• Secure vehicle to prevent it rolling away. 
• To check transmission oil the vehicle must be horizontal. 

Information 

Use only oil approved by Porsche.

1. Unscrew oil filler screw -7-  and oil drain plug -8-  .

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.

   Overview of oil drain plugs and oil filler screws

   1. 1.1 Collect emerging oil.
   2. 1.2 Replace oil filler screw and oil drain plug.
2. Leave oil to drain for ten minutes  .
3. Close off drain openings.
   1. 3.1 Screw in and tighten new oil drain plugs.

      > Tightening torque 10 (7.5 lb.) Nm (7.4 ftlb.) 

   Add oil: 

4. Use > VAS 6563 - transmission fluid filler pump set  (pump 2 is for transmission oil) to pump new oil into the filler opening until oil emerges or drips out.
5. Tighten "old" oil filler screw hand-tight.
6. Lower the vehicle to 30 centimeters above the floor.
7. PIWIS Tester  must be connected in the vehicle.
8. Engage gear position D, rev to a cardan shaft speed of 500 rpm and maintain this for 60 seconds. 

   (This corresponds to a speed of between 20 and 25 km/h (12 and 15 mph)

   1. 8.1 The speed can be read out using the PIWIS Tester  (Transmission output speed).
   2. 8.2 Tester path: Transmission electronics (Tiptronic) >> Actual values >> General >> Transmission output speed  .
9. After 5 minutes rest time  , stop the engine and unscrew the oil filler screw.

   Do not engage any gear during the rest time.

10. Add new oil using the pump until oil emerges or drips out.
11. Allow the oil to drip for 2 minutes  and then close off the filler opening with a new oil filler screw.

    > Tightening torque 27 Nm (20 ftlb.) (19.9 ftlb.) 

12. Carefully remove all traces of oil on the transmission housing.