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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 369 (Power Transfer Unit - GKN 761) >> Repair Instructions - On Vehicle >> Output Shaft Seal Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2017 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Seal Installer And Driver Handle
    GM4288147Courtesy of GENERAL MOTORS COMPANY
  1. Using DT-51834  Seal Installer (1) and DT-42176  Driver Handle (2) install the NEW transfer unit output seal.
  2. Fig 2: Propeller Shaft Retainer, O-Ring And Transfer Unit Output Seal
    GM4288034Courtesy of GENERAL MOTORS COMPANY
  3. Install the NEW transfer unit propeller shaft O-ring (2).
  4. Install the NEW transfer unit propeller shaft retainer (1).
  5. Install the propeller shaft. Refer to Two-Piece Propeller Shaft Replacement
  6. Check power transfer case fluid level. Refer to Approximate Fluid Capacities , and Adhesives, Fluids, Lubricants, and Sealers .