Back Window Glass: Service and Repair

Rear 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: 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. Open the rear compartment lid in order to access the reveal molding.






Important: Removal of the rear window requires the replacement of the rear window reveal molding (1).

2. Remove the rear window reveal molding (1).
3. Remove the upper interior quarter trim.
4. Disconnect the rear window defogger connectors.
5. Remove the OnStar(R) antenna.
6. Disconnect the antenna connection from the rear window.

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

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

* The upper dash pad
* The defroster outlets and A/C outlets
* The seats and carpeting




8. Remove the rear window reveal molding.

1. Grasp the lower corner of the rear window reveal molding by hand and slowly pull the reveal molding away from the rear window.
2. If the rear window reveal molding (1) will not release, use a utility knife in order to cut around the rear window in order to remove the rear window reveal molding.






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

9. 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.




10. With the aid of an assistant, use the suction cups in order to lift the rear window from the opening.

Installation Procedure




1. Install the rear window into the opening.
2. Connect the rear window defogger connectors.
3. Install the OnStar(R) antenna.
4. Connect the antenna connector.
5. Install the upper interior rear quarter trim.
6. Remove the double layer of masking tape around the perimeter of the painted surfaces and the interior trim.
7. Close the rear compartment lid.