Installing Rear Final Drive

Information 

• Screws that are tightened with a torque angle must be replaced with new ones  .
  Fig 1: Locating Mounting For Rear Final Drive

  Courtesy of PORSCHE CARS NORTH AMERICA, INC.

1. Place the final drive on a transmission jack with the help of another person and secure with a retaining strap. A second person is needed until → 5  .
2. Remove stopper from the drive shaft flange at the right.
3. Fit final drive on the drive shaft at the right. → INSTALLING DRIVE SHAFT - section on "Installing"
4. Align the final drive at the same time -A-  and lower it slowly -B-  . Do not bend the drive shaft as far as it can go.
   Fig 2: Fitting Final Drive

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5. Fit the final drive by gradually tipping the drive flange upwards -A-  . Do not bend the drive shaft as far as it can go.
   Fig 3: Raising Final Drive

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6. Tighten fastening screw on the rear axle carrier at the front to → 

   Initial Tightening: 90 Nm (67 ft. lb.) → Final Tightening: 90°  .

   Always counter with a ring wrench.

   Fig 4: Identifying Front Mounting For Final Drive

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
7. Tighten two fastening screw on the rear axle carrier at the rear to → Initial Tightening: 90 Nm (67 ft. lb.) → Final Tightening: 90°  . Always counter with a ring wrench.
   Fig 5: Identifying Rear Mounting For Final Drive

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
8. Only For Vehicles With PDCC: 

   Tighten four fastening screws -1-  used to secure the anti-roll bar -2-  to the rear axle carrier. → 4X00IN TIGHTENING TORQUES FOR REAR AXLE - section on "Installing"

   Fig 6: Identifying Rear Anti-Roll Bar

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9. Replace circlip at the input flange of the rear final drive.
   Fig 7: Locating Circlip

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10. Position the cardan shaft at the marking on the rear final drive.
    Fig 8: Locating Installation Position Of Cardan Shaft

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11. Fit the cardan shaft by jerking it onto the pin on the final drive. Drive on the shaft using a piece of wood -A-  if necessary.
    Fig 9: Fitting Cardan Shaft

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12. Secure the tunnel support for the cardan shaft. → INSTALLING REAR CARDAN SHAFT  - section on "Installing"
13. Install heat protection on the cardan shaft at the tunnel support. → INSTALLING REAR CARDAN SHAFT  - section on "Installing"
14. Place the left wheel bearing housing with the drive shaft on the transmission support. Use a rubber base to prevent the wheel carrier from slipping! → Assembly aid for installing wheel carrier (shown as an example) 
    Fig 10: Placing Left Wheel Bearing Housing With Drive Shaft On Transmission Support

    Courtesy of PORSCHE CARS NORTH AMERICA, INC.
15. Raise the wheel bearing housing and drive shaft into installation position using the transmission support.
16. Secure the wheel bearing housing. → INSTALLING REAR WHEEL BEARING HOUSING (WHEEL CARRIER) - section on "Installing"