Rear Lift Window Replacement

CAUTION: When replacing stationary windows, urethane kit GM P/N 12346284 or equivalent must be used to maintain original installation integrity. Failure to use the urethane kit will result in poor retention of the windshield which may allow unrestrained occupants to be ejected from the vehicle resulting in personal injury.

Rear Lift Window Replacement: Removal Procedure:

REMOVAL PROCEDURE

CAUTION: When you are working with any type of glass, use approved safety glasses and gloves to reduce the chance of personal injury.

NOTE: DO NOT close the lift window panel with the struts attached unless the window is installed and the window adhesive fully cured. The window adds strength and rigidity to the lift window panel. Attempting to close the lift window panel, with the struts installed, without a window or with the window adhesive not fully cured, could cause the panel to crack.

1. Remove the rear lift window panel.
2. Place the panel upside down on a clean protective surface.
3. Remove the auxiliary Seals.

Rear Lift Window Replacement: Removal Procedure:

4. Using a cold knife, cut the primary inner urethane bead from the inside of the rear lift window panel window.
5. Using J 39032 or piano wire, cut the secondary upper outer urethane bead.

Rear Lift Window Replacement: Removal Procedure:

6. Remove the window.
7. Clean away any loose material from the window opening.
8. Remove any old urethane from a reusable rear lift window.
9. Vacuum the vehicle to remove any trace of shattered glass.

INSTALLATION PROCEDURE

CAUTION: When you are working with any type of glass, use approved safety glasses and gloves to reduce the chance of personal injury.

NOTE:
^ DO NOT close the lift window panel with the struts attached unless the window is installed and the window adhesive fully cured. The window adds strength and rigidity to the lift window panel. Attempting to close the lift window panel, with the struts installed, without a window or with the window adhesive not fully cured, could cause the panel to crack.
^ Until the new urethane has cured, air pressure from a closing door may cause the stationary window to move causing a leak. To prevent this, lower a window before closing the door.

Rear Lift Window Replacement: Installation Procedure:

1. Install the rear lift window panel, but do not install the struts.
2. Latch the panel.
3. Clean the replacement window surface to which the urethane is to be applied with an alcohol dampened cloth. Allow the alcohol coated surface to air dry.
4. Apply Clear Glass Prep #1 with a clean dauber to the surface of the window that will contact the urethane area of the panel. Wipe the window dry with a clean lint free rag.

IMPORTANT:
^ Urethane will not bond to the window unless Black Primer #2 has been applied to the window.
^ Do Not apply Black Primer to the existing urethane on the lift window panel.

5. Apply Black Glass Primer #2 with a clean dauber to the surface of the window that will contact the urethane and allow the primer to air dry for 6 to 10 minutes.

Rear Lift Window Replacement: Installation Procedure:

6. Position the window to the panel.
7. Gap the window:
^ Use 7 mm x 30 mm (0.23 in x 1.2 in) spacers.
^ Insert the spacers 0.3 meters (1 ft) from the center on each side of the upper edge of the roof bow.

8. Align the window to the opening.
9. Mark the window position on the window and on the panel.
10. Remove the window and the spacers.

Rear Lift Window Replacement: Installation Procedure:

11. Apply the primary and the secondary urethane beads to the panel opening.

Specifications
Bead dimensions: 9.0 mm (0.38 in) wide by 12.0 mm (0.50 in) high.

Rear Lift Window Replacement: Installation Procedure:

12. Position the window on the panel using the align marks and spacers.
13. Hand press the window into the urethane.

IMPORTANT: DO NOT open the lift window panel until the urethane has cured.

14. Allow the urethane to cure.

Specifications
^ Curing time is a minimum of 6 hours.
^ Curing optimum temperature is 22 C (72 F).

15. Remove the spacers and tape.

Rear Lift Window Replacement: Installation Procedure:

16. Install the struts (only after the urethane has cured).
17. Connect the defogger connections.

Rear Lift Window Replacement: Installation Procedure:

18. Connect the antenna connection.

Rear Lift Window Replacement: Installation Procedure:

19. Install the lift window auxiliary seal.

Rear Lift Window Replacement: Installation Procedure:

20. Install the lift window Panel auxiliary seals.