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Home >> GMC >> 2021 >> Terrain SLE, 4WD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Power Transfer Unit/Transfer Case - AAM >> Repair Instructions - On Vehicle >> Fill Plug Replacement >> Installation Procedure

Installation Procedure

  1. Fill the transfer case to the bottom of the fill plug hole with the recommended fluid. Adhesives, Fluids, Lubricants, and Sealers , or Approximate Fluid Capacities .
  2. GM4573717Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Component Fastener Tightening Caution .

    Install a NEW fill plug (1) and seal and tighten to 40 N.m (30 lb-ft).

  3. Install the power transfer unit heat shield, if equipped. Power Transfer Unit Heat Shield Replacement (M3D transmission with LSY engine) 
  4. Lower the vehicle. Lifting and Jacking the Vehicle
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