Liftgate Window Glass: Service and Repair

Window Replacement - Liftgate


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: 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.


Important: 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 Trim Panel Replacement - Liftgate (Service and Repair) in Body Rear End.
3. Remove the rear wiper motor. Refer to Wiper Motor Replacement - Rear in Wipers/Washer Systems.
4. Disconnect the rear window defogger connector.

Caution: If broken glass falls into the defroster outlets, it can be blown into the passenger compartment and cause personal injury.

5. Cover the following parts to protect from broken glass:

1. The upper dash pad
2. The defroster outlets and A/C outlets
3. The seats and carpeting





Caution: Refer to Glass and Sheet Metal Handling Caution in Cautions and Notices.

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


6. Separate the urethane adhesive from the window.

* Leave a base of urethane on the pinchweld flange.
* The only suitable lubrication is clear water.
* Use J 24402-A , J 39032 or equivalent in order to remove the window.





7. With the aid of an assistant, use the suction cups in order to lift the liftgate window (2) from the opening.



Installation Procedure

1. Install the stationary window into the opening. Refer to Urethane Adhesive Installation of Stationary Windows (Urethane Adhesive Installation of Stationary Windows) .
2. Reconnect the rear window defogger connector.
3. Install the wiper motor. Refer to Wiper Motor Replacement - Rear in Wipers/Washer Systems.
4. Install the liftgate trim panel. Refer to Trim Panel Replacement - Liftgate (Service and Repair) in Interior Trim.
5. Close the liftgate.
6. Remove the double layer of masking tape around the perimeter of the painted surfaces and the interior trim.