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Home >> Porsche >> 2021 >> Macan Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 25 (42 Rear Wheel Suspension Drive Shaft 2.9L -- 95B - MACAN (95B)) >> WM, 420855 Replacing Rear-Axle Bearings >> Replacing Rear-Axle Bearings >> Replacing Rear-Axle Bearing (Rear)

Replacing Rear-Axle Bearing (Rear)

WARNING: This page is about a different variant/trim than selected.
WARNING: Preloaded or pressurised components 
  • Risk of squashing or bruising 
    1. → Do not reach into the danger area.
    2. → Relieve tension on components before starting work.
    3. → Secure components to prevent them from loosening suddenly.
CAUTION: Heavy components 
  • Risk of squashing 

    → Wear personal protective gear.

    → Get someone to help if necessary.

Information 

The procedure for removing and installing is described for one side as an example. The procedure for the other side is practically identical.

Information 

The following tools are required for replacing the rear bearing:

  1. VAS 6931 - Transmission and Engine Jack  must be positioned under the rear axle housing -1-  with a suitable piece of wood -2-  underneath.
    G15155953Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    at rear axle housing

  2. Unscrew screws at the rear of the rear axle housing.
  3. Assembly fixture 3301  must be screwed in by approx. 1.5 cm on the opposite side of the bearing to be replaced. Screw in nut -2-  until the gap -a-  is 4 cm.
    G15155954Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Assembly tool

    1. Assembly fixture
    2. 3346/3  Nut
    3. 3346/2  Spindle
  4. Lower the rear axle housing.
  5. Lever off twist lock -1-  close to the retaining lugs alternately on both sides of the bearing using a screwdriver.
    G15155955Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Twist lock

  6. Pull plastic insert -Arrows-  up and out.
    G15155956Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Plastic insert

  7. Mark installation position of the bearing with respect to the rear axle housing -Arrows-  .
    G15155957Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Installation position of rear axle housing

    Information 

    The help of another person is required to hold the tool.

  8. Fit tools and press bearing out of rear axle housing -3-  .
    G15155958Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Tools for pressing out bearings

    1. T10263/5  Nut
    2. T40185/5  Pressure piece (cut-out facing the bearing)
    3. Rear axle housing
    4. T40185/6  Support ring (conical side facing upwards, bars engaged in cut-outs on the bearing)
    5. T40033/3  Pipe
    6. T40033  /4 Pressure piece
    7. VAS 6178  Hydraulic cylinder
    8. T10263/5  Nut
    9. T10263/4  Spindle (pin facing downwards)
  9. Align new bearing with the markings on the rear axle housing and fit it.
  10. Align pressure piece T40185/3  with bearing > Pressure piece T40185/3  .
    G15155959Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Pressure piece T40185/3

  11. Fit tools and press bearing -4-  into rear axle housing -3-  until the collar is touching the socket of the rear axle housing -3-  without a gap.
    G15155960Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Tools for pressing in bearings

    1. T10263/5  Nut
    2. T40185/4  Pressure piece
    3. Rear axle housing
    4. Bearing
    5. T40185/3  Pressure piece
    6. VAS 6178  Hydraulic cylinder
    7. T10263/5  Nut
    8. T10263/4  Spindle (pin facing downwards)
  12. Position plastic insert on the bearing.
  13. Align twist lock -1-  with the bearing transversely with respect to direction of travel -arrow-  and attach it.
    G15155961Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Alignment of bearing

  14. Fit and tighten screws on rear of rear axle housing.

    > Initial tightening 115 Nm 

    > Final tightening + 90° 

  15. > VAS 6931 - Transmission and Engine Jack  must now be removed.
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