Installation Procedure
- Lubricate the new pinion housing assembly oil seal with synthetic gear oil GM P/N United States 12378514 Canada P/N 88901045 or equivalent.
- Use the J 44915 in order to install a new oil seal (2) to the drive pinion housing.
- Install the torque tube assembly. Refer to TORQUE TUBE ASSEMBLY REPLACEMENT .
- Inspect the differential carrier lubricate level.