GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 42738 Front Output Shaft Seal Installer

Removal Procedure


    Object Number: 678215  Size: SH
  1. Remove the transfer case. Refer to Transfer Case Assembly Replacement .
  2. Remove the input shaft seal, using a flat-tipped screwdriver.

Installation Procedure


    Object Number: 678288  Size: SH

    Important: When installing the input shaft seal, make sure that the part numbers on the seal are facing outward (toward the technician). The input shaft seal should be even with the surface of the transfer case after installation.

  1. Position the seal on the input shaft.
  2. Using the J 42738 , install the input shaft seal.
  3. Install the transfer case. Refer to Transfer Case Assembly Replacement .