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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 gear bearing retainer. Refer to DRIVE PINION HOUSING AND/OR SEAL REPLACEMENT  .
  4. Remove the pinion yoke and the oil seal. Refer to DRIVE PINION HOUSING AND/OR SEAL REPLACEMENT  .
  5. Remove the outer pinion bearing
  6. Remove the pinion.
    Fig 1: Removing Drive Pinion Bearing - 10.5 Inch Axle (1 Of 6)
    G01456178Courtesy of GENERAL MOTORS CORP.
  7. Remove the collapsible spacer.
    Fig 2: Removing Drive Pinion Bearing - 10.5 Inch Axle (2 Of 6)
    G01456179Courtesy of GENERAL MOTORS CORP.
  8. Remove the inner pinion bearing from the pinion using the J 22912-01  and a hydraulic press.
    Fig 3: Removing Drive Pinion Bearing - 10.5 Inch Axle (3 Of 6)
    G01456180Courtesy of GENERAL MOTORS CORP.
  9. Remove the outer pinion bearing cup using a hammer and a brass drift in the slots provided.

    Move the drift back and forth between one side of the cup and the other in order to work the cups out of the retainer evenly.

    Fig 4: Removing Drive Pinion Bearing - 10.5 Inch Axle (4 Of 6)
    G01456181Courtesy of GENERAL MOTORS CORP.
  10. Remove the inner pinion bearing cup using a hammer and a brass drift in the slots provided.

    Move the drift back and forth between one side of the cup and the other in order to work the cups out of the retainer evenly.

    Fig 5: Removing Drive Pinion Bearing - 10.5 Inch Axle (5 Of 6)
    G01456182Courtesy of GENERAL MOTORS CORP.
  11. Remove the pinion gear pilot bearing using a brass drift and a hammer.
    Fig 6: Removing Drive Pinion Bearing - 10.5 Inch Axle (6 Of 6)
    G01456183Courtesy of GENERAL MOTORS CORP.
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