GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 8092 Driver Handle
    • J 43484 Output Shaft Seal Installer

Removal Procedure


    Object Number: 819585  Size: SH
  1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Remove the transfer case shield, if equipped. Refer to Transfer Case Shield Replacement .
  3. Remove the front propeller shaft. Refer to Front Propeller Shaft Replacement in Propeller Shaft.
  4. Important: The front output shaft seal is a two piece internal seal. The inner seal race is a force fit on the front output shaft.

  5. Remove the front output shaft seal by inserting a flat-tipped screwdriver behind the inner race of the seal.
  6. Pry the inner seal race forward.

  7. Object Number: 819650  Size: SH
  8. Using a small pry bar, move the inner seal race forward on the front output shaft.
  9. Remove the inner seal race from the front output shaft.

  10. Object Number: 819658  Size: SH
  11. Insert a flat-tipped screwdriver or small pry bar into the space between the lip of the outer race of the seal and the transfer case.
  12. Remove the remaining part of the output shaft seal from the transfer case.

Installation Procedure


    Object Number: 819655  Size: SH
  1. Install the J 43484 (2) to theJ 8092 (1).
  2. Install a NEW seal onto J 43484 .
  3. Using J 43484 (2), and J 8092 (1), install the seal.
  4. Install the front propeller shaft. Refer to Front Propeller Shaft Replacement in Propeller Shaft.
  5. Check the fluid level. Add fluid, if necessary.
  6. Install the transfer case shield, if equipped. Refer to Transfer Case Shield Replacement .
  7. Lower the vehicle.