Removing Right Sealing Ring For Halfshaft Flange

Information 

• All sealing rings must be replaced when removing and installing the halfshaft flanges. 

Information 

• Replace circlips on the halfshaft flanges. 
• Carefully slide in the long halfshaft flange, keeping it straight at all times. 

1. Puller T10037 -1-  must now be fitted using two M10 screws -2-  on the right halfshaft flange -3-  .
   CAUTION: Fine thread!
   1. 1.1. Use spacer sleeves or nuts to prevent the screws from touching the transmission.
      Fig 1: Removing Right Halfshaft Flange

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2. Pull off and remove the right halfshaft flange -3-  ,
3. Pull off centering pin -1-  on the differential housing cover using an M6 screw -2-  and slide hammer kit Nr.168 -3-  .
   Fig 2: Pulling Off Centering Pin

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   Information 

   • The sealing ring for the right halfshaft flange must be replaced before fitting the differential housing cover. 
4. Unscrew and remove fastening screws -2-  on the differential housing cover -1-  .
   1. 4.1. Remove housing cover.
   2. 4.2. Replace screws (micro-self-locking).
      Fig 3: Identifying Differential Housing Cover Screws

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5. Press differential housing cover -1-  off the flanged shaft using a mounting lever and remove it.
   1. 5.1. It is quite heavy - so be careful! 
      Fig 4: Identifying Differential Housing Cover

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6. Two-piece protective sleeve 9357 -3-  must be pushed over the circlip -2-  and onto the long halfshaft flange -1-  .
   Fig 5: Sliding Protective Sleeve Onto Flanged Shaft

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7. Control valve, disc valve and vacuum line on transmission:
   1. 7.1. Pull off vacuum line at the control valve -2-  (-arrow-  ).
   2. 7.2. Disconnect electric plug connection at the control valve.
   3. 7.3. Unclip control valve at the holder -3-  and set it aside with the lines connected.
   4. 7.4. Unscrew and remove fastening screw for the holder.
   5. 7.5. Move disc valve -1-  with connected lines aside.
      Fig 6: Moving Disc Valve Holder And Vacuum Line

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8. Unclip coolant hoses from the bracket -1-  and set them aside.
   Fig 7: Loosening Coolant Hoses

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   Information 

   • The aluminum screws for the housing neck on the transmission must be replaced. 
   • The aluminum screws must be tightened using the yield-point-controlled tightening method. 
   • The special tool: Electronic torque wrench 9768 is used for this purpose. 
   • To ensure that the screws are tightened uniformly, the corresponding tightening setting "light, medium or hard" must always be used. 
9. Unscrew and remove aluminum screws -1-  on the housing neck -2-  .

   Replace screws! 

   Fig 8: Removing Left Halfshaft Flange

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10. Pull out the left halfshaft flange -1-  and housing neck -2-  at the transmission.
    Fig 9: Removing Left Halfshaft Flange With Housing Neck

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11. Pull right sealing ring -1-  out of the transmission housing using slide hammer kit Nr.168  .
    Fig 10: Removing Right Sealing Ring

    Courtesy of PORSCHE CARS NORTH AMERICA, INC.