Removing Front Wheel Bearing

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Information 

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

1. Remove fastening screws -1-  used to secure the wheel bearing to the wheel carrier.
   Fig 1: Identifying Fastening Screws Securing Wheel Bearing To Wheel Bearing Housing

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
2. Using universal drive shaft/wheel hub extractor as of model '86 Nr.87-1  , push (press in) the pin of the drive shaft into the wheel hub by max. approx. 10 mm + 5 mm. When doing this, check drive shaft clearance on the halfshaft flange.
3. Press the wheel hub -1-  and wheel bearing by continuing to turn -A-  the spindle -2-  until they are pressed out of the wheel bearing housing -3-  (-B-  ).
   Fig 2: Removing Wheel Bearing

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
4. Press the wheel hub -2-  out of the wheel bearing -1-  .
   Fig 3: Pressing Off Wheel Hub

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
   1. 4.1. Fit press-off tool hydraulic cylinder VAS 6178 WE 1284  , -3-  , as well as pressure gauge with connecting line VAS 6179/1 WE 1292  , -5-  and suitable attachments T10205  , -4-  over the wheel hub on the wheel bearing.
   2. 4.2. Connect to foot pump VAS 6179 WE 1283  .
   3. 4.3. Apply compressed air and press the wheel hub off the wheel bearing.
5. Fit wheel hub using separating device Nr.111  , -3-  , assembly fixture T10230  , -2-  and hydraulic cylinder VAS 6178 WE 1284  , -1-  , as well as pressure gauge with connecting line VAS 6179/1 WE 1292  .
   Fig 4: Pressing Bearing Shell Off Wheel Hub

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
6. Apply compressed air to the tool and press the bearing shell -5-  off the wheel hub -4-  .