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Home >> GMC >> 2023 >> Terrain SLE, FWD >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> Power Transfer Unit/Transfer Case - AAM >> Repair Instructions - On Vehicle >> Fill Plug Replacement >> Installation Procedure

Installation Procedure

  1. Fill the transfer case with the recommended fluid. Fill the transfer case so fluid is at a minimum 11 mm (0.43 in) below the bottom of the fill plug hole. Adhesives, Fluids, Lubricants, and Sealers , and Approximate Fluid Capacities .
  2. GM4573717Courtesy of GENERAL MOTORS COMPANY

    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 
  4. Lower the vehicle. Lifting and Jacking the Vehicle