GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 8092 Universal Driver Handle - ¾ in - 10
    • J 21784 Side Bearing Installer
    • J 22888-D Side Bearing Remover Kit
    • J 22912-B Split-Plate Bearing Puller
    • J 25299 Side Bearing Installer

Removal Procedure

  1. Remove the differential assembly. Refer to Differential Replacement .

  2. Object Number: 680400  Size: SH
  3. Remove the differential side bearings by doing the following:
  4. 2.1. Install the differential assembly into a vise.
    2.2. Install the J 8107-2 (7.6 inch axle and 1st design 8.6 inch axle) or the J 8107-4 (2nd design 8.6 inch axle) (1) J 22888-20A  (2) onto the differential case.
    2.3. Remove the differential side bearings using the J 22888-20A .
  5. Remove the differential assembly from the vise.

Installation Procedure


    Object Number: 651740  Size: SH
  1. Install the differential side bearings by doing the following:
  2. 1.1. In order to protect the differential case, install the J 8107-2 or the J 8107-4 in the case on the side opposite the bearing installation.
    1.2. Install the J 25299 (7.6 inch axle and 1st design 8.6 inch axle) or theJ 21784 (2nd design 8.6 inch axle) (2) and the J 8092  (1) onto the differential case bearing as shown.
    1.3. Drive the bearing onto the case using the J 25299 or the J 21784  (2) and the J 8092  (1).
  3. Install the differential assembly. Refer to Differential Replacement .