GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 22912-B Split Plate Bearing Puller
    • J 8092 Driver Handle
    • J 8107-3 Side Bearing Puller Pilot (9.5 inch axle)
    • J 8107-4 Side Bearing Puller Pilot (8.6 inch axle)
    • J 21784 Side Bearing Installer
    • J 29710 Differential Side Bearing Installer
    • J 44420 Differential Bearing and Hub Seal Installer

Removal Procedure

  1. Remove the differential from the rear axle housing. Refer to Differential Replacement .
  2. Remove the differential side bearings by doing the following:
  3. 2.1. Install the J 22912-B onto the differential case.
    2.2. Install the J 8107-4 or the J 8107-3 onto the differential case bearing.
    2.3. Remove the differential side bearings using the J 22912-B and a hydraulic press.

Installation Procedure


    Object Number: 651740  Size: SH
  1. Install the differential side bearings by doing the following (8.6 inch, 9.5 inch axle):
  2. 1.1. In order to protect the differential case, install theJ 8107-4 or the J 8107-3 in the case on the side opposite the bearing installation.
    1.2. Install the J 21784  (2), or the J 29710  (2) onto the differential case bearing as shown.
    1.3. Drive the bearing onto the case using the J 21784  (2), or the J 29710  (2) and the J 8092  (1).
  3. Install the differential. Refer to Differential Replacement .