GM Service Manual Online
For 1990-2009 cars only

Special Tools

    • J 24402-A Glass Sealant Remover (Cold Knife)
    • J 39032 Stationary Glass Removal Tool
    • Use a urethane adhesive systems which meet GM Specification GM 3651G

Removal Procedure

    Warning: Refer to Cracked Window Warning in the Preface section.

    Note: Before cutting out a liftgate window , apply a double layer of masking tape around the perimeter of the painted surfaces and the interior trim.

  1. Open the liftgate.
  2. Remove the liftgate window trim panel. Refer to Liftgate Trim Panel Replacement.
  3. Disconnect the rear window defogger connectors.
  4. Remove the rear wiper arm. Refer to Rear Window Wiper Arm Replacement.
  5. Warning: Refer to Defroster Outlet Warning in the Preface section.

  6. Cover the following parts to protect from broken glass:
  7. • Upper dash pad
    • Defroster outlets and air conditioning (A/C) outlets
    • Seats and carpeting

    Warning: Refer to Glass and Sheet Metal Handling Warning in the Preface section.


    Object Number: 71179  Size: SH

    Note: Keep the cutting edge of the tool against the window.

  8. Remove the window from the urethane adhesive.
  9. • Leave a base of urethane approximately 2 mm (0.078 in) on the pinch-weld flange.
    • The only suitable lubrication is clear water.
    • Use J 24402-A , J 39032 , or equivalent to remove the window.

    Object Number: 1593856  Size: SH
  10. With the aid of an assistant, remove the window (1) from the vehicle.

Installation Procedure

  1. Install the liftgate window into the opening. Refer to Adhesive Installation of Liftgate Windows.
  2. Connect the rear window defogger connectors.
  3. Install the liftgate trim panel. Refer to Liftgate Trim Panel Replacement.
  4. Remove the double layer of masking tape around the perimeter of the painted surfaces and the interior trim.
  5. Install the rear wiper arm. Refer to Rear Window Wiper Arm Replacement.
  6. Close the liftgate.