Power Transfer Unit Propeller Shaft Seal and Rear Output Shaft Seal Installation

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

Fig 1: Exploded View Of Power Transfer Unit Propeller Shaft Seal and Rear Output Shaft Seal

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
1	Power Transfer Unit Output Shaft Seal Procedure Make sure the seal bore is clean and free of oil or dirt. Install a NEW seal. Special Tools DT-51467 Seal Installer DT-305 - 1 Driver Handle Equivalent regional tools: Refer to:Special Tools .
2	Power Transfer Unit Propeller Shaft Seal Procedure Install a NEW seal.
3	Power Transfer Unit Propeller Shaft Retainer Procedure When installing a NEW half shaft retaining clip, open the clip only as far as necessary to fit the clip over the shaft. Opening the clip too far will damage it. Start one end of the clip in the shaft groove and slowly push the clip onto and over the shaft.

Callout

Component Name

Power Transfer Unit Output Shaft Seal

Procedure

Make sure the seal bore is clean and free of oil or dirt.
Install a NEW seal.

Special Tools

DT-51467 Seal Installer
DT-305 - 1 Driver Handle

Equivalent regional tools: Refer to:Special Tools .

Power Transfer Unit Propeller Shaft Seal
Procedure
Install a NEW seal.

Power Transfer Unit Propeller Shaft Retainer

Procedure

When installing a NEW half shaft retaining clip, open the clip only as far as necessary to fit the clip over the shaft. Opening the clip too far will damage it.
Start one end of the clip in the shaft groove and slowly push the clip onto and over the shaft.