Removing Rear Final Drive

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Installation position of rear final drive

1. Loosen both drive shafts at the final drive.

   > 422119 Removing and installing rear drive shaft - section on  "REMOVING "

2. Remove rear left wheel bearing housing (wheel carrier) without separating the drive shaft from the wheel bearing housing.

   > WM, 425219 REMOVING AND INSTALLING WHEEL BEARING HOUSING - section on "Removing"

3. Lower the wheel carrier with the drive shaft.
4. Fit a stopper on the opening on the drive shaft at the final drive.
5. Remove heat protection on the cardan shaft at the tunnel support.

   > 393519 Removing and installing rear cardan shaft - section on "REMOVING "

6. Loosen tunnel support for cardan shaft and leave the cardan shaft lying on the struts.

   > 393519 Removing and installing rear cardan shaft - section on "REMOVING "

7. Mark the position of the cardan shaft with respect to the rear final drive.

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.

   Marking installation position of cardan shaft

8. Press the cardan shaft off the rear final drive pin using a mounting lever -A-  .

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.

   Pressing off cardan shaft

9. Loosen centre bearing holder -1-  and tie up the cardan shaft in the cardan tunnel.

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.

   Pressing off centre bearing holder

   CAUTION: Kinked or overstretched lines 

   • Leaks in the hydraulic system 

     → Only lower anti-roll bar slightly and secure it to the chassis.

10. Only for vehicles with PDCC: 

    Loosen rear anti-roll bar.

    1. 10.1  Unscrew four fastening screws -1-  on the anti-roll bar -2-  at the rear axle carrier and lower the anti-roll bar until you have easy access to the two screws on the rear final drive -3-  .

       Courtesy of PORSCHE CARS NORTH AMERICA, INC.

       Loosening rear anti-roll bar

    2. 10.2  Secure the anti-roll bar at this position on the axle mount.
11. Unscrew fastening screw -1-  on the rear axle carrier at the front. Always counter with a ring wrench.

    Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Releasing front final drive mounting

12. Unscrew two fastening screws -2-  on the rear axle carrier at the rear. Always counter with a ring wrench.

    Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Loosening rear final drive mounting

13. Tip up the drive flange -A-  .

    Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Raising front final drive

14. Get a second person to help you tip the final drive to the left -A-  at the same time and lower it slowly -B-  . Do not bend the drive shaft as far as it can go.

    Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Lowering final drive

15. Remove final drive from the drive shaft at the rear right.
16. Fit a stopper on the opening on the drive shaft at the final drive.