Power Transfer Unit Cover-to-Intermediate Drive 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 Cover-to-Intermediate Drive Shaft Seal Components

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
1	Power Transfer Unit Cover-to-Intermediate Drive Shaft Seal Procedure Install a NEW seal. Lubricate the OD area of the seal with a light film of grease or oil prior to installation. Special Tools DT-51466 Seal Installer DT-305 - 1 Driver Handle Equivalent regional tools: Special Tools
2	Power Transfer Unit Half Shaft Seal (O-ring) Procedure Install a NEW O-ring seal.
3	Power Transfer Unit Half Shaft Retainer Clip CAUTION: When installing a new bearing retaining ring, open the ring only as far as necessary to fit the ring over the shaft. Opening the ring too far will damage it. Procedure Do NOT reuse the intermediate shaft retaining clip.

Callout

Component Name

Power Transfer Unit Cover-to-Intermediate Drive Shaft Seal

Procedure

Install a NEW seal.
Lubricate the OD area of the seal with a light film of grease or oil prior to installation.

Special Tools

DT-51466 Seal Installer
DT-305 - 1 Driver Handle

Equivalent regional tools: Special Tools

Power Transfer Unit Half Shaft Seal (O-ring)
Procedure
Install a NEW O-ring seal.

Power Transfer Unit Half Shaft Retainer Clip

CAUTION:

When installing a new bearing retaining ring, open the ring only as far as necessary to fit the ring over the shaft. Opening the ring too far will damage it.

Procedure
Do NOT reuse the intermediate shaft retaining clip.