Power Transfer Unit Rear Output Shaft Housing Installation

Fig 1: Exploded View Of Power Transfer Unit Rear Output Shaft Housing Components

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
1	Power Transfer Unit Pinion Seal - O-Ring NOTE: Apply a thin coating of gear oil to the housing O-ring. Refer to Adhesives, Fluids, Lubricants, and Sealers .
2	Power Transfer Unit Rear Output Shaft Shim
3	Power Transfer Unit Rear Output Shaft Housing
4	Power Transfer Unit Rear Pinion Housing Bolt [8x] CAUTION: Refer to Fastener Caution . Tighten 22 N.m (16 lb ft)
5	Power Transfer Unit Output Shaft Seal CAUTION: When replacing power transfer unit case seals, use appropriate GM tools along with a hydraulic press. Failure to do so may result in misalignment or damage to the seal and/or power transfer unit. Special Tools DT-51834 Seal Installer J-42176 Driver Handle Equivalent regional tools: Refer to Special Tools .
6	Power Transfer Unit Propeller Shaft Seal - O-Ring
7	Power Transfer Unit Propeller Shaft Retainer NOTE: Install a NEW retainer.