Removing Rear Wheel Bearing

Information 

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Wheel bearing unit

• The wheel bearing has a magnetised multipole seal, which acts as a pulse sender for the wheel speed sensor. 
• The multipole seal -1- must - always face upwards when the wheel bearing is set down (this does not apply when pressing the wheel hub into the wheel bearing). 
• The multipole seal must not be damaged and must not come into contact with magnetic objects (for example, magnetised screwdriver, magnet). 

1. Remove wheel bearing unit -5-  from wheel bearing housing -6-  .
   Fig 1: Wheel Bearing Unit Screws Loosening Sequence

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.

   Wheel bearing unit on wheel bearing housing

   1. 1.1 Clamp the wheel bearing housing -6-  in a vice with aluminium protective jaws.
   2. 1.2 Unscrew screws on wheel bearing unit -1 to 4-  .
   3. 1.3 Remove wheel bearing unit -5-  from wheel bearing housing -6-  .
2. Press wheel hub out of the wheel bearing.

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.

   Removing wheel hub from wheel bearing

   1. Press tool
   2. Sleeve T10230/3 from > T10230 - assembly tool 
   3. Pressure piece T10230/8 from > T10230 - assembly tool 
   4. Wheel bearing unit
   5. > VW402 - Thrust plate 
   6. > VW401 - Thrust plate 
   1. 2.1 Fit special tools -1 to 3-  and -5 and 6-  as shown in > Removing wheel hub from wheel bearing  on wheel bearing unit -4-  .
   2. 2.2 Press wheel hub out of the wheel bearing.
3. Press inner bearing ring -1-  off the wheel hub -2-  .
   1. 3.1 > VAS 251 413 - Separating device  must be inserted between the inner bearing ring -1-  and wheel hub -2-  . Then pretension with the spindle.

      Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Separating device

   2. 3.2 Fit special tools -1 to 4-  as shown in > Removing inner bearing ring from wheel hub  and press inner bearing ring off the wheel hub.

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Removing inner bearing ring from wheel hub

1. Plunger
2. Sleeve T10230/3 from > T10230 - assembly tool 
3. Pressure piece T10230/8 from > T10230 - assembly tool 
4. > VAS 251 413 - Separating device