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Home >> Buick >> 2018 >> Regal Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 8 (Power Transfer Unit/Transfer Case - AAM) >> Repair Instructions - Off Vehicle >> Power Transfer Unit Case Assemble >> Power Transfer Unit Propeller Shaft Seal and Rear Output Shaft Seal Installation

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

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GM3793514
Power Transfer Unit Propeller Shaft Seal and Rear Output Shaft Seal Installation

Callout Component Name
1 Power Transfer Unit Output Shaft Seal

Procedure

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

Special Tools

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

Equivalent regional tools: Special Tools 
2 Power Transfer Unit Propeller Shaft Seal
NOTE:

Install a NEW seal.

3 Power Transfer Unit Propeller Shaft Retainer

Procedure

  1. Install a NEW retainer.
  2. 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.
  3. Start one end of the clip in the shaft groove and slowly push the clip onto and over the shaft.