GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 42738 Seal Installer

Removal Procedure


    Object Number: 752678  Size: SH
  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Remove the transfer case assembly. Refer to Transfer Case Assembly Replacement .
  3. Notice: Do not damage the sealing surfaces of the transfer cases or the shafts when prying the seals for removal. Damaging the sealing surface may cause leakage or require replacement of the damaged component.

    Notice: Do not damage the sealing surfaces of the transfer cases or the shafts when prying the seals for removal. Damaging the sealing surface may cause leakage or require replacement of the damaged component.

  4. Insert a flat-bladed screw driver between the input shaft seal and the transfer case.

  5. Object Number: 752673  Size: SH
  6. Pry the front input shaft seal from the transfer case.
  7. Remove the front input shaft seal.

Installation Procedure


    Object Number: 747110  Size: SH
  1. Align the input shaft seal on the input shaft.
  2. Using the J 42738 , install the input shaft seal.
  3. Install the transfer case assembly. Refer to Transfer Case Assembly Replacement .
  4. Inspect the transfer case fluid level. Refer to Transfer Case Fluid Replacement .
  5. Lower the vehicle.