Sierra 1500 4WD V8-4.8L (2007)
1. Raise and suitably support the vehicle. Refer to Vehicle Lifting.
2. Remove the transfer case shield, if equipped.
3. Remove the rear propeller shaft.
4. Remove the rear output shaft seal by prying it out with a flat tipped screwdriver.
Installation Procedure
1. Using the J 45756, install a NEW front output shaft seal.
2. Install the rear propeller shaft.
3. Check the fluid level. Add fluid, if necessary.
4. Install the transfer case shield, if equipped.
5. Lower the vehicle.
Input Shaft Seal Replacement
Input Shaft Seal Replacement