GM Service Manual Online
For 1990-2009 cars only

Differential Side Bearings Replacement 8.6, 9.5, 10.5 Inch Axle

Tools Required

    • J 8092 Universal Driver Handle ¾ in-10
    • J 22888-D Side Bearing Remover Kit
    • J 25299 Side Bearing Installer
    • J 29710 Differential Side Bearing Installer
    • J 36597 Side Bearing Puller Pilot - 9.25 inch

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. For the 8.6 inch and 9.5 inch axles, install the differential assembly into a vise.

    For the 10.5 inch axle, place a block a wood on each side of the differential case before installing the differential case into the vise.

    2.2. Install the J 22888-20A  (2) and the J 8107-4 , 8.6 inch axle, or the J 36597 , 9.5 inch or 10.5 inch axles (1) as shown.
    2.3. Remove the differential side bearings using the J 22888-20A .

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 theJ 8107-4 , 8.6 inch axle, or the J 36597 , 9.5 inch or 10.5 inch axle, in the case on the side opposite the bearing installation.
    1.2. Install the J 25299 , 8.6 inch axle, or the J 29710 , 9.5 inch or 10.5 inch axle) (1) and the J 8092  (2) onto the differential case bearing as shown.
    1.3. Drive the bearing onto the case using the J 25299 , 8.6 inch axle, or the J 29710 , 9.5 inch or 10.5 inch axle, and the J 8092 .
  3. Install the differential assembly. Refer to Differential Replacement .