Liftgate Window Glass: Service and Repair

Liftgate Window Replacement

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 (Cracked Window Warning).

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 (Service and Repair).
3. Disconnect the rear window defogger connectors.
4. Remove the rear wiper arm. Refer to Rear Window Wiper Arm Replacement (Rear Window Wiper Arm Replacement).
Warning: Refer to Defroster Outlet Warning (Service Precautions).
5. Cover the following parts to protect from broken glass:

* Upper dash pad
* Defroster outlets and air conditioning (A/C) outlets
* Seats and carpeting

Warning: Refer to Glass and Sheet Metal Handling Warning (Glass and Sheet Metal Handling Warning).





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

6. Remove the window from the urethane adhesive.

* 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.




7. 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 (Adhesive Installation of Liftgate Windows).
2. Connect the rear window defogger connectors.
3. Install the liftgate trim panel. Refer to Liftgate Trim Panel Replacement (Service and Repair).
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 (Rear Window Wiper Arm Replacement).
6. Close the liftgate.