Removing Rear Wheel Bearing Housing (Wheel Carrier)

Information 

• The pictures shown in this document may differ from the original  .

Information 

• To prevent damage to the drive shaft, suspension subframe or transmission flange, slide a protective tube (shop-made) 00000 over the drive shaft  .
  Fig 1: Identifying Wheel Bearing Housing With Upper Wishbones

  Courtesy of PORSCHE CARS NORTH AMERICA, INC.

1. Left side only: Break off protective plastic ring -1-  with a screwdriver.
   Fig 2: Removing Protective Plastic Ring

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2. Position two mounting levers and carefully press the drive shaft -1-  outwards.
   Fig 3: Fitting Mounting Levers

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3. Release central connector -1-  from the ABS wire harness at the body -a-  and disconnect it -A-  .
   Fig 4: Locating Plug Connection For Wire Harness For Wheel Bearing Housing

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
4. Unclip ABS wire harness mounting -2-  at the body -B-  .
5. Remove the brake calliper from the wheel bearing housing and suspend it at a suitable position in the wheel arch (do not open the brake hydraulic system!). → 474119 REMOVING AND INSTALLING REAR BRAKE CALLIPER
6. Remove the brake disc for better accessibility if necessary. → 465319 REMOVING AND INSTALLING REAR BRAKE DISC
7. Use universal drive shaft/wheel hub extractor as of model '86 Nr.87-1  to press out the pin of the drive shaft by max. → Length: 10 mm+5 mm  . Check drive shaft clearance on the halfshaft flange while doing this.
   Fig 5: Pressing Out Drive Shaft

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
8. Remove wheel bearing housing from the spring strut. → 427119 REMOVING AND INSTALLING REAR SPRING STRUT (STEEL SPRINGS)  , → 432519 REMOVING AND INSTALLING REAR SPRING STRUT (AIR SPRINGS)

   Spring strut screws are tensioned. Use a suitable lift with a rubber base.

   Carefully press the spring strut down out of the wheel bearing housing.

   Make sure not to damage the brake cover plate  .

   Fig 6: Supporting Wheel Bearing Housing

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
9. Remove tie rod (toe control arm) at the wheel bearing housing. → 420919 REMOVING AND INSTALLING TIE ROD (TOE CONTROL ARM) 
10. Secure the wheel bearing housing/drive shaft assembly to prevent it from falling down (second mechanic required!) 

    Remove the screws -1, 2-  on the inside of the two upper wishbones from the rear axle carrier.

    Fig 7: Identifying Threaded Joint On Inner Wishbones

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11. Loosen the lower wishbone -2-  at the point where it is secured to the wheel bearing housing -1-  .
    Fig 8: Identifying Screws On Lower Trailing Arm

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12. Slowly lower a suitable jack and carefully set the wheel bearing housing and drive shaft down.
13. Pull the drive shaft -1-  fully out of the wheel bearing housing -2-  (-A-  ) and set it aside.
    Fig 9: Removing Drive Shaft From Wheel Bearing Housing

    Courtesy of PORSCHE CARS NORTH AMERICA, INC.