GM Service Manual Online
For 1990-2009 cars only

Tools Required

    •  J 24402-A Glass Sealant (Cold Knife) Remover
    •  J 39032 Stationary Glass Removal Tool
    • Urethane Adhesive Kit GM P/N 12346392 or Equivalent
    • Isopropyl Alcohol or equivalent
    • Cartridge-type Caulking Gun
    • Commercial-type Utility Knife
    • Razor Blade Scraper
    • Suction Cups
    • Plastic Paddle

Removal Procedure

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

    Important: 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 defogger wires.
  4. Caution: Refer to Defroster Outlet Caution in the Preface section.

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

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

    Important: Keep the cutting edge of the tool against the liftgate window. Do this from inside the vehicle to protect the outer painted surface.

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

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

Installation Procedure


    Object Number: 1593856  Size: SH
  1. Install the liftgate window locator pins to the slots in the opening of the liftgate panel.
  2. Connect the rear defogger wires.
  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. Close the liftgate.