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: 749439  Size: SH
  1. Remove the transfer case shield, if equipped. Refer to Transfer Case Shield Replacement .
  2. Remove the front propeller shaft. Refer to Front Propeller Shaft Replacement .
  3. Insert a flat-tipped screwdriver into the inner race.
  4. Pry the inner race back.

  5. Object Number: 749435  Size: SH
  6. Insert a small pry bar into the inner race.

  7. Object Number: 749436  Size: SH
  8. Remove the inner race from the seal.

  9. Object Number: 749437  Size: SH
  10. Insert a flat-tipped screwdriver or a small pry bar in the space between the outer race of the seal and transfer case.

  11. Object Number: 749438  Size: SH
  12. Remove the outer part of the seal.

Installation Procedure


    Object Number: 678236  Size: SH
  1. Install the J 43484 (2) to the J 8092 (1).
  2. Install the seal onto the J 43484 .
  3. Using the J 43484 (2) and the J 8092 (1), install the seal.
  4. Install the front propeller shaft. Refer to Front Propeller Shaft Replacement .
  5. Check the fluid level. Add fluid if necessary.
  6. Install the transfer case shield, if equipped. Refer to Transfer Case Shield Replacement .