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Home >> Buick >> 2018 >> Enclave Base >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Power Transfer Unit/Transfer Case - GKN 761 >> Repair Instructions - Off Vehicle >> Power Transfer Unit Case Assemble >> Power Transfer Unit Extension Housing Installation

Power Transfer Unit Extension Housing Installation

Fig 1: Exploded View Of Power Transfer Unit Extension Housing Components
GM4256473Courtesy of GENERAL MOTORS COMPANY
Power Transfer Unit Extension Housing Installation

Callout Component Name
1 Extension Housing Cover Seal - O-Ring
NOTE:

Install a NEW seal.

2 Power Transfer Disconnect Linear Cam
NOTE:

Ensure the tabs on the OD of cam align into the notched areas of the housing.

3 Power Transfer Disconnect Rotary Cam
4 Power Transfer Unit Extension Housing
Power Transfer Unit Case Cleaning and Inspection 
5 Power Transfer Unit Extension Housing Bolt [5x]
Tighten 
22 N.m (16 lb ft)