Operation CHARM: Car repair manuals for everyone.

Transfer Case Output Shaft Seal Replacement (Rear)

Removal Procedure





1. Raise the vehicle. Refer to Vehicle Lifting.
2. If equipped, remove the transfer case shields.
3. Remove rear propeller shaft.
4. Remove the rear output shaft seal.


Installation Procedure

^ Tools Required
- J 29162 Rear Output Shaft Seal Installer.





1. Install the seal.
1.1. Lubricate the seal mating surface with Automatic Transfer Case Oil GM P/N12378396.
1.2. Install the seal using the J 29162.
2. Install the rear propeller shaft.
3. Check the transfer case oil level and add oil as necessary.
4. If equipped, install the transfer case shields.
5. Lower the vehicle.