Tools Required
J 44809  Output Shaft 
Seal Installer
Removal Procedure
- Raise and support the vehicle. Refer
to 
Lifting and Jacking the Vehicle 
 in General
Information.
 
- Remove the right rear tire and wheel assembly. Refer to 
Tire and Wheel Removal and Installation 
 in Tires and Wheels.
 
- Remove the right wheel drive shaft. Refer to 
Rear Wheel Drive Shaft Replacement 
 in Wheel Drive Shafts.
 
- Remove the differential output shaft oil seal (1).
 
Do not damage the differential sealing surfaces.
Installation Procedure
- Using the J 44809 
 , install the right axle shaft oil seal (1).
 
Important: Inspect the sealing surface of the wheel
drive shaft inner tri-pot housing to ensure it is free of corrosion. Use a crocus
cloth in order to remove any light corrosion and clean the sealing surface with denatured
alcohol, or equivalent.
- Lubricate the wheel drive shaft sealing surface of the oil seal with
synthetic gear oil GM P/N 12378514 Canadian P/N 88901045
 or equivalent.
 
- Install the right wheel drive shaft. Refer to 
Rear Wheel Drive Shaft Replacement 
 in Wheel Drive Shafts.
 
- Install the right rear tire and wheel assembly. Refer to 
Tire and Wheel Removal and Installation 
 in Tires and Wheels.
 
- Inspect the differential lubricant level. Refer to 
Lubricant Change 
 .
 
- Lower the vehicle.