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Home >> Porsche >> 2019 >> 718 Boxster Base, Automatic DCT Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (42 Rear Wheel Suspension Drive Shaft 2.5L -- 982 - BOXSTER/CAYMAN) >> WM, 425819 Removing And Installing Rear Wheel Bearing >> Removing And Installing Rear Wheel Bearing >> Removing Rear Wheel Bearing

Removing Rear Wheel Bearing

WARNING: This page is about a different variant/trim than selected.
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.

Fig 1: Rear-Axle Wheel Bearing Components Location
G14947997Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Component overview - rear-axle wheel bearing

  1. Wheel hub  Carry out a close visual inspection to make sure the wheel bearing is fitted correctly. No grooving, scoring or similar deformation is permitted!
  2. M8 screws 
  3. Cover 
  4. Wheel bearing  Cannot be re-used following removal. Do not press onto the inner ring during installation (pressing in). Insert new wheel bearing with the magnetic multiple ring facing the inside of the wheel bearing housing (towards the speed sensor). Check the magnetic side using a > T10473 - test card  or paper clip. Do not use magnets or screwdrivers to check!
  5. Wheel bearing housing  Carry out a close visual inspection to make sure that the wheel bearing is fitted correctly. No grooving, scoring or similar deformation is permitted!
  1. Press out the wheel hub.
    1. 1.1  Insert the wheel bearing housing, with the wheel hub facing down, into the hydraulic press. Use > VW457 - Holding rails  as a countering device.

      Ensure that the cover of the wheel bearing with the circular areas is lying flat on the support rails and that the wheel hub can extend downwards freely.

    2. 1.2  Fit pressure piece VW 454 -2-  on the wheel hub. Insert a large ram -1-  in the workshop press.
      G14947998Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Preparatory work for pressing out wheel hub (shown as an example)

    3. 1.3  Hold the wheel hub from below to prevent it from falling out (second mechanic required). Slowly extend the large press ram -1-  and fit > VW454 - Pressure piece-2-  onto it. Carefully press out the wheel hub -3-  (-direction arrow-)  .
    G14947999Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Pressing out wheel hub (shown as an example)

    1. Press ram
    2. Pressure piece VW 454
    3. Wheel hub
  2. Remove cover -1-  from the wheel bearing housing.
    G14948000Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Removing cover from wheel bearing housing

    1. 2.1  Unscrew fastening screws -2-  .
  3. Press out the wheel bearing.
    G14948001Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Pressing out wheel bearing (shown as an example)

    1. 3.1  Place pipe T10205/5 -2-  under the workshop press and fit the wheel bearing housing on top.

      > 9694/3 - Press-on sleeve-1-  must be centred on the wheel bearing.

    2. 3.2  Carefully press out the wheel bearing -direction arrow-  .
  4. Press wheel bearing inner race off the wheel hub.
    1. 4.1  > VAS 6961 - Separating device-2-  must be positioned under the wheel bearing inner race -1-  and tightened evenly using an open-ended wrench -4-  Take care not to damage the wheel hub -3-  .
      G14948002Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Pressing off wheel bearing inner race, tightening evenly (shown as an example)

    2. 4.2  Using the > VW454 - Pressure piece-arrow-  carefully push the wheel hub through the wheel bearing inner race -1-  .

      Hold the wheel hub from below (second mechanic required).

      G14948003Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Pressing off wheel bearing inner race (shown as an example)

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