Yukon 4WD V8-5.3L (2008)
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 Lifting and Jacking the Vehicle .
2. Remove the transfer case shield, if equipped. Refer to Transfer Case Shield Replacement (See: Service and Repair/Removal and
Replacement/BW 4485-NR3 - Transfer Case/Transfer Case Shield Replacement) .
3. Remove the front propeller shaft. Refer to Front Propeller Shaft Replacement (See: Drive/Propeller Shafts, Bearings and Joints/Drive/Propeller
Shaft/Service and Repair/Front Propeller Shaft Replacement) .
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.
