Sierra 1500 4WD V8-4.8L (2007)
Seals and Gaskets: Service and Repair
BW 4485-NR3 - Transfer Case
Front Output Shaft Seal Replacement
Front Output Shaft Seal Replacement
Tools Required
*
J 8092 Driver Handle
*
J 43484 Output Shaft Seal Installer
Removal Procedure
1. Raise and suitably support the vehicle. Refer to Vehicle Lifting.
2. Remove the transfer case shield, if equipped.
3. Remove the front propeller shaft.
Important: The front output shaft seal is a two piece internal seal. The inner seal race is a force fit on the front output shaft.
4. Remove the front output shaft seal by inserting a flat-tipped screwdriver behind the inner race of the seal.
5. Pry the inner seal race forward.
