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Home >> GMC >> 2019 >> Terrain SL >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Power Transfer Unit/Transfer Case - AAM >> Repair Instructions - On Vehicle >> Fill Plug Replacement >> Removal Procedure
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Removal Procedure

  1. Raise and suitably support the vehicle. Lifting and Jacking the Vehicle
  2. Remove the power transfer unit heat shield, if equipped. Power Transfer Unit Heat Shield Replacement (M3D transmission with LTG engine) 
  3. Remove and DISCARD the fill plug (1) and seal.
    GM4573717Courtesy of GENERAL MOTORS COMPANY
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