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Home >> Porsche >> 2019 >> Macan Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 9 (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 (Front)

Replacing Rear-Axle Bearing (Front)

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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 following tools are required for replacing the front bearing:

Information 

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

  1. VAS 6931 - Transmission and Engine Jack  must be positioned under the rear axle housing -1-  with a suitable piece of wood -2-  underneath.
    G15155943Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    at rear axle housing

  2. Unscrew screw -1-  .
    G15155944Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Mounting for rear axle housing, front

  3. Screw in screw -1-  on the opposite side of the bearing to be replaced into the body with a gap -a-  of 4 cm.
    G15155945Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Screw on rear axle housing

  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.
    G15155946Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Twist lock

  6. Mark installation position of the bearing with respect to the rear axle housing -Arrows-  .
    G15155947Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Installation position of rear axle housing

    Information 

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

  7. Fit tools and press bearing out of rear axle housing -3-  .
G15155948Courtesy 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)
  10. Align new  bearing with the markings on the rear axle housing and fit it.
  11. Align pressure piece T40185/3  with bearing > Pressure piece T40185/3  .
    G15155949Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Pressure piece T40185/3

  12. Fit tools and press bearing -4-  into rear axle housing -3-  until the collar is touching the socket of the rear axle housing without a gap.
    G15155950Courtesy 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)
  13. Align twist lock -1-  with the bearing transversely with respect to direction of travel -arrow-  and attach it.
    G15155951Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Alignment of bearing

  14. Fit and tighten screw -1-  .

    > Initial tightening 115 Nm 

    > Final tightening + 90° 

    G15155952Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Mounting for rear axle housing, front

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