GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 8092 Universal Handle
    • J 43484 Front Output Shaft Seal Installer

Removal Procedure


    Object Number: 749434  Size: SH
  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Remove the transfer case shield from the crossmember (if equipped). Refer to Transfer Case Shield Replacement .
  3. Remove the front propeller shaft from the vehicle. Refer to Front Propeller Shaft Replacement in Propeller Shaft.
  4. Insert a flat-tipped screw driver in the inner race.
  5. Pry the inner race back.

  6. Object Number: 749435  Size: SH
  7. Insert a small pry bar in the inner race.
  8. Important: When performing the following service procedure, the outer part of the seal will slightly move out of the transfer case with the inner part seal.

  9. Pry the inner part of the seal from the outer seal body.

  10. Object Number: 749436  Size: SH
  11. Remove the inner part of the seal.

  12. Object Number: 749437  Size: SH
  13. Insert a flat-tipped screw driver or small pry bar in the space between the outer race of the seal and the transfer caser.
  14. Pry the outer race out of the transfer case.

  15. Object Number: 749438  Size: SH
  16. 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 transfer case front output shaft seal on theJ 43484 (2).
  3. Using the J 43484 (2) and the J 8092 (1), install the transfer case front output seal.
  4. Install the front propeller shaft. Refer to Front Propeller Shaft Replacement in Propeller Shaft.
  5. Check the transfer case fluid level. Refer to Transfer Case Shield Replacement .
  6. Install the transfer case shield. Refer to Transfer Case Fluid Replacement .
  7. Lower the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.