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Home >> Porsche >> 2023 >> Panamera Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 75 (42 Rear Wheel Suspension Drive Shaft 4.0L Turbo Gas -- 971 - PANAMERA (971)) >> WM, 421755 Replacing Bearing For Trailing Arm (Wheel Bearing Housing) >> Replacing Bearing For Trailing Arm (Wheel Bearing Housing)

Replacing Bearing For Trailing Arm (Wheel Bearing Housing)

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.

Pull the bearing out and in on a workbench or a suitable workstation. 

Get another person to help you to pull the bearing out and in! 

  1. Spay the bearing seat on the wheel bearing housing with penetrating lubricant and leave it to take effect.
  2. Prepare tools.
    • > VAS 6178 - Hydraulic cylinder 
    • > VAS 6179 - Foot pump 
    • > VAS 6179/1- Pressure gauge with connecting line 
    • Spindle and M12 spindle nut from > T10254 - assembly tool 
    1. 2.1 Connect hydraulic cylinder to foot pump and pressure gauge/connecting line and attach compressed air supply.
  3. > T90017 - Pressure pieces  must be ready.
  4. Position tools as shown for pulling out the bearing on the wheel bearing housing and bearing.
    G15861932Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Using tools for pulling out bearing

    1  Wheel bearing housing
    2  > VAS 6178 - Hydraulic cylinder 
    3  Sleeve from set of > T90017 - pressure pieces 
    4  Pressure piece from set of > T90017 - pressure pieces 
    5  M12 spindle nut from > T10254 - assembly tool 
    6  M12 threaded spindle from > T10254 - assembly tool 
  5. Pull the bearing out slowly.
    1. 5.1 Clean the bearing seat and check for damage (cracks, scoring).
    2. 5.2 Replace the wheel bearing housing if there are signs of damage.
  6. Grease the bearing seat lightly with Kluber Syntheso Glep, for example.
  7. Pull in new bearing as shown using > VAS 6178 - hydraulic cylinder  and set of > T90017 - pressure pieces  .
    G15861933Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Using tools for pulling in bearing

    1  Wheel bearing housing
    2  > VAS 6178 - Hydraulic cylinder 
    3  Sleeve from set of > T90017 - pressure pieces 
    4  New bearing (Installation direction => Groove on the pressure piece side)
    5  Pressure piece from set of > T90017 - pressure pieces 
    6  M12 spindle nut from > T10254 - assembly tool 
    7  M12 threaded spindle from > T10254 - assembly tool 
  8. Carefully pull new bearing in fully (edge in bearing seat) using setting 1 on  the hydraulic cylinder.

    Do not exceed the maximum pull-in force of 50 kN! => Check reading on the pressure gauge! 

  9. Remove tools.
  10. Bearing -2-  in the wheel bearing housing -1-  pulled in.
    G15861934Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Bearing pulled in

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