CTS Wagon RWD V6-3.6L (2010)
Seals and Gaskets: Service and Repair
Rear Drive Axle
Drive Pinion Flange/Yoke and/or Oil Seal Replacement (RPO LLT/LF1)
Special Tools
*
J 42851 Seal Installer
*
J 45012 Holding Fixture
*
J 45019 Flange and Pinion Cage Remover
*
J 34826 Hub Nut Socket (36 mm)
Removal Procedure
1. Raise and support vehicle. Refer to Lifting and Jacking the Vehicle (See: Maintenance/Vehicle Lifting/Service and Repair).
2. Remove the exhaust system. Refer to Exhaust System Replacement (LSA) (See: Engine, Cooling and Exhaust/Exhaust System/Service and
Repair/Exhaust System Replacement)Exhaust System Replacement (LF1) (See: Engine, Cooling and Exhaust/Exhaust System/Service and
Repair/Exhaust System Replacement)Exhaust System Replacement (Single) (See: Engine, Cooling and Exhaust/Exhaust System/Service and
Repair/Exhaust System Replacement (Single))Exhaust System Replacement (LLT) (See: Engine, Cooling and Exhaust/Exhaust System/Service
and Repair/Exhaust System Replacement).
3. Remove the propeller shaft. Refer to Rear Propeller Shaft Replacement (RPO LSA) (See: Drive/Propeller Shafts, Bearings and
Joints/Drive/Propeller Shaft/Service and Repair)Rear Propeller Shaft Replacement (RPO LLT/LF1with MX7 or MN6) (See: Drive/Propeller
Shafts, Bearings and Joints/Drive/Propeller Shaft/Service and Repair)Rear Propeller Shaft Replacement (RPO LLT, LF1 with MXO) (See:
Drive/Propeller Shafts, Bearings and Joints/Drive/Propeller Shaft/Service and Repair).
4. Use the J 45012 to hold the pinion flange.
5. Using the J 34826 , remove the drive pinion nut.
6. Using the J 45019 , remove the flange.
7. Using a flat-bladed tool, remove the drive pinion seal. Take care not to damage any sealing surfaces.
Installation Procedure
Note: Ensure the pinion bore is free of dirt debris.
1. Apply a small amount of synthetic gear oil GM P/N 12378514 (Canadian P/N 88901045) or equivalent to the drive pinion flange sealing surface
of the drive pinion seal.