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Home >> GMC >> 2021 >> Terrain SL >> Repair and Diagnosis >> External Pages >> Different car >> Section 137 (Power Transfer Unit AAM) >> Repair Instructions - On Vehicle >> Power Transfer Unit Case Fluid Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2021 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.
  1. GM4288856Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Component Fastener Tightening Caution .

    Install drain plug (2) and seal and tighten to 39 N.m (29 lb-ft).

  2. Fill the transfer case to the bottom of the fill plug hole with the recommended fluid. Refer to:

    Adhesives, Fluids, Lubricants, and Sealers , or

    Approximate Fluid Capacities .

  3. Install fill plug (1) and seal and tighten to 39 N.m (29 lb-ft).
  4. Inspect the cross member to ensure that no oil has drained into the cross member cavity. Clean the cross member if necessary.
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