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Rear Window Replacement

Rear Window Replacement


Tools Required
- J 24402-A Glass Sealant Cold Knife Remover
- J 39032 Stationary Glass Removal Tool
- Urethane Adhesive Kit GM PIN 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 to masking tape around the perimeter of the painted surfaces and inner trim.







1. Disconnect the rear window electrical connectors.
2. Remove the roof weld joint molding.
3. Remove the upper quarter panel trim.

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

4. Cover to protect the following parts from broken glass:
- Upper dash pad
- Defroster outlets and A/C outlets
- Seats and carpeting


5. Open the rear compartment lid in order to access the reveal moldings.

Caution: When working with any type of glass or sheet metal with exposed or rough edges, wear approved safety glasses and gloves in order to reduce the chance of personal injury.

Important: The rear window reveal molding is a four piece molding and fills the cavities between the body and window. If the rear window reveal moldings are stretched or damaged it can not be reused.







6. Remove the rear window reveal upper molding (1).
If the window reveal upper molding (1) will not release, use a utility knife in order to cut around the rear window in order to remove the window reveal lower molding.







7. Remove the window reveal lower molding (1).
If the window reveal lower molding (1) will not release, use a utility knife in order to cut around the rear window in order to remove the window reveal lower molding.

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 pinch-weld 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, lift the rear window from the opening.



Installation Procedure

Important: Check the condition of the window reveal side moldings. Discard and replace with new reveal side moldings if damaged.







1. Install the side reveal moldings (1) to the window. Ensure the moldings (1) are positioned to the alignment marks (2), and are fitted correctly to the edge of the window.







2. Install the rear window into the opening.
3. Connect the rear window electrical connectors.
4. Install the upper quarter panel trim.
5. Install the roof weld joint molding.
6. Close the rear compartment lid.
7. Remove the double layer of masking tape around the perimeter of the painted surfaces and the interior trim.