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Home >> Porsche >> 2021 >> Panamera Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 73 (42 Rear Wheel Suspension Drive Shaft 4.0L Turbo Gas -- 971 - PANAMERA (971)) >> WM, 420855 Replacing Rear-Axle Bearings >> Replacing Rear-Axle Bearings >> Replacing Rear Bearing

Replacing Rear Bearing

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Information 

The following tools are required for replacing the rear bearing:

  1. Mark the position of the cut-out -1-  on the rear axle housing (for positioning the new bearing).
    G15861880Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Marking position of cut-out

  2. Press out rear bearing.
    G15861881Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Pressing out rear bearing

    1  Pressure piece 9698/1-4 
    2  Large insert 9698/1-2 
    3  Sleeve 9698/1-1 
    4  > VAS 6178 - Hydraulic cylinder 
    1. 2.1 Centre pressure piece 9698/1-4  on the rear bearing.
    2. 2.2 Fit large insert 9698/1-2  on sleeve 9698/1-1  and centre it on the contact surface of the rear axle housing.
    3. 2.3 Press out rear bearing.
  3. De-burr edges -1-  of the cut-outs in the bearing seat.
    G15861882Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    De-burring edges (shown on front bearing as an example)

  4. Press in rear bearing.
    G15861883Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Pressing in rear bearing

    1  Pressure piece 9698/1-6 
    2  Rear bearing
    3  Pin 9698/1-9  (4x) screwed into washer 9698/1-8,  position B
    4  Washer 9698/1-8 
    5  > VAS 6178 - Hydraulic cylinder 
    1. 4.1 Screw four pins 9698/1-9  into washer 9698/1-8  (position B).
    2. 4.2 Centre pressure piece 9698/1-6  on the contact surface of the rear axle housing.
    3. 4.3 Fit rear bearing at a centre position on the bearing seat.
    4. 4.4 Centre pin 9698/1-9  with washer 9698/1-8  on the contact surface of the rear axle housing.
    5. 4.5 Align rear bearing according to -marking-  (see below).

      If there is no marking: The cut-out -1-  must point towards the rear in direction of travel.

      G15861884Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Aligning rear bearing

      Information 

      Overpressing the bearing can damage the rubber. The bearing must be replaced in this case.

    6. 4.6 Press the rear bearing in as far as required until there is no gap between the rubber -1-  and the contact surface of the rear axle housing.
      G15861885Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Press-in instructions (shown on front bearing as an example)

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