GM Service Manual Online
For 1990-2009 cars only

Special Tools

    • J 8092 Universal Driver Handle - ¾ in - 10
    • J 8107-4 Side Bearing Remover Plug
    • J 8107-5 Side Bearing Remover Plug
    • J 21784 Side Bearing Installer
    • J 22888-D Side Bearing Puller Set
    • J 22888-20 A Side Bearing Puller
    • J 29710 Differential Side Bearing Installer
    • J 36597 Side Bearing Remover Pilot
    • J 44420 Differential Bearing Installer

Removal Procedure

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

  2. Object Number: 680400  Size: SH
  3. Install the 8.6, 9.5, and the 11.5 inch differential assembly into a vise.
  4. Note: Place a block of wood on each side of the differential assembly

  5. Install the 10.5 inch differential assembly into a vise.
  6. Note: Step 8 is for the 8.6 inch axle.

  7. Using the J 22888-20 A puller  (2) and the J 8107-4 plug  (1) , remove the differential side bearing.
  8. Note: Step 9 is for the 9.5/10.5 inch axles.

  9. Using the J 22888-20 A puller  (2) and the J 36597 pilot  (1), remove the differential side bearing.
  10. Note: Step 9 is for the 11.5 inch axle.

  11. Using the J 22888-20 A puller  (2) and the J 8107-5 plug  (1), remove the differential side bearing.

Installation Procedure

Note: In order to protect the differential case, install the following special tools on the opposite side of the differential case of the bearing being installed:

   • For the 8.6 inch axle , install the J 8107-4 plug
   • For the 9.5/10.5 inch axles, install the J 36597 pilot
   • For the 11.5 inch axle, install the J 8107-5 plug


    Object Number: 651740  Size: SH

    Note: Step 1, is for the 8.6 inch axle.

  1. Using the J 8092 driver  (1), J 21784 installer  (2)  and a hammer, install the differential side bearing.
  2. Note: Step 2, is for the 9.5/10.5 inch axles.

  3. Using the J 8092 handle  (1), J 29710 installer  (2) and a hammer, install the differential side bearing.

  4. Object Number: 720308  Size: SH

    Note: Step 3, is for the 11.5 inch axle.

  5. Using the J 8092 handle  (1)  J 44420 installer  (2) and a hammer, install the differential side bearing.
  6. Install the differential assembly. Refer to Differential Replacement.