Liftgate Window Glass: Service and Repair

Liftgate Window Replacement


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 (Cracked Window Caution) .

Important: Before cutting out a stationary 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 trim. Refer to Liftgate Trim Panel Replacement (Service and Repair) .
3. Disconnect the electrical connectors from the liftgate window defogger bus bar.
4. Remove the rear window wiper arm. Refer to Rear Window Wiper Arm Replacement (Rear Window Wiper Arm Replacement) .
5. Remove the rear spoiler. Refer to Rear Spoiler Replacement (Service and Repair) .
Caution: Refer to Glass and Sheet Metal Handling Caution (Glass and Sheet Metal Handling Caution) .
Caution: Refer to Defroster Outlet Caution (Technician Safety Information) .
6. Cover the following parts to protect from broken glass:

* Upper dash pad
* Defroster outlets and A/C outlets
* Seats and carpeting






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


7. 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 in order to remove the window.


Important: Keep the cutting edge of the knife/tool against the window. Do this from inside the vehicle.


8. If necessary, use a long utility knife or similar tool to remove the bottom corners of the window from the urethane adhesive.




9. 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. Install the rear spoiler. Refer to Rear Spoiler Replacement (Service and Repair) .
3. Install the rear window wiper arm. Refer to Rear Window Wiper Arm Replacement (Rear Window Wiper Arm Replacement) .
4. Connect the liftgate window defogger electrical connectors to the bus bar.
5. Install the liftgate trim. Refer to Liftgate Trim Panel Replacement (Service and Repair) .
6. Remove the double layer of masking tape around the perimeter of the painted surfaces and the interior trim.
7. Close the liftgate.