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Home >> GMC >> 2021 >> Terrain Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 137 (Power Transfer Unit AAM) >> Repair Instructions - On Vehicle >> Power Transfer Unit Vent 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. GM4732106Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Ensure the vent hoses are free of kinks and routed clear of sharp objects.

    Connect the power transfer unit vent hose assembly (1) to the radiator surge tank assembly.

  2. Connect the power transfer unit vent hose assembly to the power transfer unit.
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