GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 HUMMER 🢒 2007 🢒 H3 🢒 Driveline/Axle 🢒 Rear Drive Axle 🢒 Differential Side Bearings Replacement

Tools Required

    • J 22912-B Split Plate Bearing Puller
    • J 8092 Universal Driver Handle - ¾ in - 10
    • J 21784 Side Bearing Installer
    • J 22888-D Side Bearing Remover Kit
    • J 29710 Differential Side Bearing Installer
    • J 44420 Differential Bearing and Hub Seal Installer

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

    2. Object Number: 680400 Size: SH
  2. Remove the differential side bearings by doing the following:
    3. 2.1. For the 8.6 inch, install the differential assembly into a vise.
    2.2. Install the J 22888-20A  (2) and the J 8107-4 , 8.6 inch axle (1) axle, over the differential case side bearing bore.
    2.3. Remove the differential side bearings using the J 22888-20A .

Installation Procedure

    Object Number: 651740 Size: SH
  1. For the 8.6 inch, install the differential side bearings by doing the following:
    2. 1.1. In order to protect the differential case, install the J 8107-4 , 8.6 inch axle in the case on the side opposite the bearing installation.
    1.2. Install the J 21784 , 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 21784 or the J 29710 and the J 8092 .
  2. Install the differential assembly. Refer to Differential Replacement .