Liftgate Window Glass: Service and Repair

Rear Lift Window Replacement

Tools Required
* J24402-A Glass Sealant Remover (Cold Knife)
* J39032 Stationary Glass Removal Tool
* J34940 Rivet Gun
* 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 window, apply a double layer of masking tape around the perimeter of the painted surfaces and the interior trim.

1. Remove the window garnish molding from the door frame.






Caution: Refer to Glass and Sheet Metal Handling Caution.

2. Disconnect the electrical connector from the window defogger on the window, if equipped.





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

3. This will allow the urethane adhesive to be separated from the glass.

* Leave a base of urethane on the pinchweld flange.
* The only suitable lubrication is clear water.
* Use J24402-A, J39032 or equivalent in order to remove the liftgate window.




4. With the aid of an assistant, remove the window from the opening.

Installation Procedure

1. Install the stationary window into the opening.




2. Connect the electrical connector to the window defogger on the window, if equipped.




3. Install the window garnish molding to the door frame.
4. Remove the double layer of masking tape around the perimeter of the painted surfaces and the interior trim.