Liftgate Window Glass: Service and Repair

Window Replacement - Lift Gate


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 the interior trim.


1. Disconnect the washer hose from the liftgate.
2. Remove the back window wiper arm from the liftgate. Refer to Wiper Arm Replacement - Rear in Wipers/Washer Systems.
3. Open liftgate window.
4. Remove the liftgate window garnish molding. Refer to Garnish Molding Replacement - Lift Gate (Service and Repair) in Body Rear End.




5. Disconnect the electrical connector from the rear window defogger on the liftgate window.

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

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

1. Upper dash pad
2. Defroster outlets and A/C outlets
3. Seats and carpeting





7. Using a sharp utility knife, make a preliminary cut around the perimeter of the quarter window.





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


8. This will allow the urethane adhesive to be separated 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.





9. With the aid of an assistant, remove the liftgate window from the liftgate frame.



Installation Procedure

1. Install a stationary window into the opening. Refer to Urethane Adhesive Installation of Stationary Windows (Urethane Adhesive Installation of Stationary Windows) .




2. Connect the electrical connector to the rear window defogger on the liftgate window.
3. Install the liftgate window garnish molding. Refer to Garnish Molding Replacement - Lift Gate (Service and Repair) in Body Rear End.
4. Close liftgate window.
5. Install the back window wiper arm to the liftgate. Refer toWiper Arm Replacement - Rear in Wipers/Washer Systems.
6. Connect the washer hose to the liftgate.
7. Remove the double layer of masking tape around the perimeter of the painted surfaces and the interior trim.