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Home >> Porsche >> 2013 >> Boxster S, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 275 (40 Front Wheel Suspension, Drive Shafts -- 911 CARRERA (991)) >> WM 405719 Removing And Installing Front Wheel Bearing (Except CARRERA "Edition", CARRERA Cabriolet "Edition", CARRERA 4 "Edition", CARRERA 4 Cabriolet "Edition", Gt3, Gt3 RS) >> Removing And Installing Front Wheel Bearing >> Installing Front Wheel Bearing

Installing Front Wheel Bearing

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2019 Porsche 911, 2018 Porsche 911, 2017 Porsche 911, 2016 Porsche 911, and 2015 Porsche 911. However, it is still accessible from the selected car via links, so may be relevant.
WARNING: Mechanical, hydraulic or pneumatic press
  • Risk of squashing

→ Read specific safety information for the press.

→ Check that the press is working perfectly before use, particularly the safety components.

CAUTION: Hot components
  • Risk of burns

→ Let hot components cool down.

→ Wear personal protective gear.

  1. Before installing, clean the wheel bearing and the bore in the wheel bearing housing. Remove any edges with a polishing cloth.
  2. Heat the wheel bearing housing to about 80 °C (max. 100 °C) on a heating plate.

    Information 

    • The wheel bearings generate the pulse for the speed sensor (wheel speed). They are fitted for this purpose with a so-called multipole seal that has a magnetized layer. 
    • The multipole seal must not come into contact with highly magnetic parts (for example, a magnetic screwdriver or magnet). 
    • Installing the wheel bearing: The magnetic side must face the speed sensor (the inside of the wheel bearing housing). Isolate using a test card Nr.147-2 or paper clip. 
  3. Press in the wheel bearing in the correct position (because of engine-speed signal) using tool -1 to 3-  .
    1. -1-  - Press-on sleeve 9894/3
    2. -2-  - Pressure piece T10450
    3. -3-  - Pressure piece T10205/10
      Fig 1: Pressing Wheel Bearing
      G09992847Courtesy of PORSCHE CARS NORTH AMERICA, INC.
    1. 3.1. Position the press-on sleeve 9894/3 -1-  together with the inserted pressure piece T10450 -2-  under the workshop press.

      Place the wheel bearing housing flat on the pressure piece T10450 -2-  .

    2. 3.2. Install the wheel bearing straight and in the correct position. Place the pressure piece T10205/10 -3-  flush on the wheel bearing.

      Carefully press in the wheel bearing as far as it will go (observe the pressure gauge! When the pressure increases rapidly, the wheel bearing is in its installation position).

  4. Fit the cover for the wheel bearing in the correct position on the wheel bearing housing (water outlets point downwards).

    Tightening torque (M8 screws) 37 Nm.

  5. Press in wheel hub using tool -1 to 3-  .
    1. -1-  - Press-on sleeve 9694/3
    2. -2-  - Pressure piece 30-205 
    3. -3-  - Pressure piece T10205/10
      Fig 2: Pressing Wheel Hub
      G09992848Courtesy of PORSCHE CARS NORTH AMERICA, INC.
    1. 5.1. Position the press-on sleeve 9694/3 -1-  together with the inserted pressure piece 30-205 -2-  under the workshop press.

      Place the wheel bearing housing and wheel bearing inner race flat on press-on sleeve 9694/3 -1-  (or on pressure piece 30-205) -2-  .

      Centre the wheel bearing inner race on pressure piece 30-205 -2-  .

    2. 5.2. Place the pressure piece T10205/10 flat on the -3-  wheel hub. Ensure that the wheel bearing inner race is positioned flat and centrally on the press-on sleeve 9694/3 -1-  (or on the pressure piece 30-205) -2-  .

      Carefully press in the wheel hub until the pressure increases (check the pressure gauge) -direction arrow-  .

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