Power Transfer Unit Rear Seals Removal

WARNING: This page is about a different car, the 2018 Buick Regal TourX and 2018 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.

Callout	Component Name
1	Power Transfer Unit Propeller Shaft Retainer Procedure Remove and DISCARD the retainer.
2	Power Transfer Unit Propeller Shaft Seal (O-ring)
3	Power Transfer Unit Rear Output Shaft Seal Procedure Use a screwdriver to remove the seal from the housing. Remove the inner part of the seal first and then the outer part of the seal. Use care to prevent damage to the housing seal bore or shaft sealing surface. The seal is to be removed in two pieces. Remove and DISCARD the seal.

Callout

Component Name

Power Transfer Unit Propeller Shaft Retainer
Procedure
Remove and DISCARD the retainer.

Power Transfer Unit Propeller Shaft Seal (O-ring)

Power Transfer Unit Rear Output Shaft Seal

Procedure

Use a screwdriver to remove the seal from the housing. Remove the inner part of the seal first and then the outer part of the seal. Use care to prevent damage to the housing seal bore or shaft sealing surface. The seal is to be removed in two pieces.
Remove and DISCARD the seal.