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Removal Procedure

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  1. Raise the vehicle. Refer to LIFTING AND JACKING THE VEHICLE in General Information.
  2. Remove the differential assembly. Refer to DIFFERENTIAL REPLACEMENT (8.6 INCH, 9.5 INCH AXLES)  or DIFFERENTIAL REPLACEMENT (9.75 INCH AXLE)  or DIFFERENTIAL REPLACEMENT (10.5 INCH AXLE)  .
  3. Remove the pinion yoke and the pinion oil seal. Refer to DRIVE PINION FLANGE/YOKE AND/OR OIL SEAL REPLACEMENT (ALL EXCEPT 9.75 INCH AXLE)  or DRIVE PINION FLANGE/YOKE AND/OR OIL SEAL REPLACEMENT (9.75 INCH AXLE)  .
  4. Remove the thrust washer.
    Fig 1: Removing Drive Pinion Bearings - 9.75 Inch Axle (1 Of 4)
    G01456171Courtesy of GENERAL MOTORS CORP.
  5. Install the J 22536  as shown.

    Ensure that the J 22536  is firmly seated on the pinion.

  6. Drive the pinion out using the J 22536  and a hammer.

    Strike the J 22536  slowly. Do not let the pinion fall out of the rear axle housing.

  7. Remove the pinion preload shims from the drive pinion and set aside.
    Fig 2: Removing Drive Pinion Bearings - 9.75 Inch Axle (2 Of 4)
    G01456172Courtesy of GENERAL MOTORS CORP.
  8. Remove the inner pinion bearing cup and the oil deflector using the J 45703  (2) and the J 42176  (1).
  9. Remove the outer pinion bearing cup using the J 45705  and the J 42176  .
    Fig 3: Removing Drive Pinion Bearings - 9.75 Inch Axle (3 Of 4)
    G01456173Courtesy of GENERAL MOTORS CORP.
  10. Remove the inner pinion bearing using the J 22912-01  and a hydraulic press.
  11. Remove the pinion position shim.
    Fig 4: Removing Drive Pinion Bearings - 9.75 Inch Axle (4 Of 4)
    G01456174Courtesy of GENERAL MOTORS CORP.
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