GM Service Manual Online
For 1990-2009 cars only

Special Tools

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

Removal Procedure

    Warning: If a window is cracked but still intact, crisscross the window with masking tape in order to reduce the risk of damage or personal injury.

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

  1. Open the liftgate.
  2. Remove the liftgate trim panel. Refer to Liftgate Trim Panel Replacement.
  3. Remove the rear wiper motor. Refer to Rear Window Wiper Motor Replacement.
  4. Disconnect the rear window defogger electrical connectors.
  5. Warning: If broken glass falls into the defroster outlets, it can be blown into the passenger compartment and cause personal injury.

  6. Cover the following parts to protect from broken glass:
  7. 5.1. The rear stowage compartment
    5.2. The defroster outlets and A/C outlets
    5.3. The seats and carpeting

    Warning: When working with any type of glass or sheet metal with exposed or rough edges, wear approved safety glasses and gloves in order to reduce the chance of personal injury.


    Object Number: 379905  Size: SH
  8. Using a utility knife cut around the window (1).

  9. Object Number: 71179  Size: SH

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

  10. Separate the urethane adhesive from the window.
  11. • Leave a base of urethane on the pinchweld flange.
    • The only suitable lubrication is clear water.
    • Use J-24402-A sealant remover , J-39032 glass removal tool or equivalent in order to remove the window.

    Object Number: 1480115  Size: SH
  12. With the aid of an assistant, use the suction cups in order to lift the liftgate window (3) from the opening.

Installation Procedure

  1. Install the stationary window into the opening. Refer to Adhesive Installation of Stationary Windows.
  2. Use masking tape to hold the liftgate window into position until the urethane adhesive cures.
  3. Reconnect the rear window defogger electrical connectors.
  4. Install the wiper motor. Refer to Rear Window Wiper Motor Replacement.
  5. Install the liftgate trim panel. Refer to Liftgate Trim Panel Replacement.
  6. Close the liftgate.
  7. Remove the double layer of masking tape around the perimeter of the painted surfaces and the interior trim.