Removing Rear CARDAN Shaft

Information 

• Do not carry out any repair work on the cardan shaft. 
• Set rear cardan shaft with centre bearing holder down facing upwards. 
• Mark the position of all parts in relation to each other before removal. 
• Re-install at the same position (possible bearing damage and humming noise due to imbalance if not reinstalled at the same position). 
• The help of another person is required. 

1. Mark installation position of the cardan shaft -1-  with a colored pen -2- ¹  ).

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   Marking installation position of cardan shaft

   ¹⁾ The final drives and cardan shafts are paired in the production process, so it is important to maintain the original position.

2. Loosen screws -3-  for centre bearing.

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   Screws on centre bearing holder

   Information 

   The help of another person is required.

3. Press cardan shaft off the rear axle differential.
   1. 3.1 Check that the correct attachments are fitted on the > 9889 - press-off tool  .
      1. 3.1.1 Use the attachments with the inscription -A-  on the rear axle.
   2. 3.2 > 9889 - Press-off tool-1-  must be fitted between the cardan shaft -2-  and rear axle differential -3-  .
   3. 3.3 > 9889 - Press-off tool  must be actuated intermittently (press and loosen) at the hexagon -4-  using a torque wrench.

      Observe maximum permitted torque of 140 Nm (104 ftlb.). 

      Only actuate the hexagon anti-clockwise. 

      1. 3.3.1 At the same time, a second person must tap on the flange of the cardan shaft -5-  using a plastic or aluminum mandrel.
   4. 3.4 The cardan shaft remains on the splines of the rear axle differential.

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      Cardan shaft on rear axle differential

4. Unscrew screws -3-  on the centre bearing holder -4-  .

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   Screws on centre bearing holder

   NOTE: Incorrect handling of cardan shaft 

   • Risk of damage to the cardan shaft 
   • Risk of damage to the centre bearing 
   • Humming noises caused by defective centre bearing 

     → When one of the two flanges on the cardan shaft has been released, relieve the tension on the centre bearing.

     → Follow the recommended procedures during installation, otherwise the position of the cardan shaft in its original place is no longer guaranteed.

     → Do not kink the cardan shaft (bend by max. 10°); only store and transport it in elongated position.

   Information 

   The help of another person is required.

5. Pull the cardan shaft completely off the splines of the rear axle differential.
   1. 5.1 A second person must secure the cardan shaft to prevent it from kinking.
6. Press the cardan shaft off the Porsche Doppelkupplung (PDK).
   1. 6.1 Check that the correct attachments are fitted on the > 9889 - press-off tool  .
      1. 6.1.1 Vehicles without vibration dampers:  Use attachments with the inscription -B-  .
   2. 6.2 > 9889 - Press-off tool-1-  must be fitted between the cardan shaft -2-  and Porsche Doppelkupplung (PDK) -3-  .
   3. 6.3 > 9889 - Press-off tool  must be actuated intermittently (press and loosen) at the hexagon -4-  using a torque wrench.

      Observe maximum permitted torque of 90 Nm (67 ftlb.). 

      Only actuate the hexagon anti-clockwise. 

      NOTE: Incorrect handling of cardan shaft 

      • Risk of damage to the cardan shaft 
      • Risk of damage to the centre bearing 
      • Humming noises caused by defective centre bearing 

        → When one of the two flanges on the cardan shaft has been released, relieve the tension on the centre bearing.

        → Follow the recommended procedures during installation, otherwise the position of the cardan shaft in its original place is no longer guaranteed.

        → Do not kink the cardan shaft (bend by max. 10°); only store and transport it in elongated position.

      Information 

      The help of another person is required.

   4. 6.4 Pull the cardan shaft completely off the splines of the PDK transmission.

      Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Cardan shaft on Porsche Doppelkupplung (PDK)

7. Remove the cardan shaft in a downward direction and set it down with the centre bearing holder facing upwards.