Sunroof Window Seal Replacement (With RPO Code C3Y)

SUNROOF WINDOW SEAL REPLACEMENT (WITH RPO CODE C3Y)

REMOVAL PROCEDURE
1. Open the sunshade.
2. Remove the sunroof window from the front.
3. Remove the sunroof window from the rear.
4. Cycle the sunroof to the full open position.

5. IMPORTANT: Do this from outside the vehicle, locate the seam of the weatherstrip bonded edges approximately 2 in rearward of where the third and fourth window panel meet. THIS POSITION IS

IMPORTANT: TO ENSURE THAT THE SEAL PUCKERING RELIEF HOLES WORK CORRECTLY.




Locate the seam of the current seal and it's location, with tape or a grease pencil mark the roof.
6. Remove the seal from the sunroof module frame by pulling the seal away at one point and continuing around the perimeter of the frame.
7. Wipe the perimeter of the frame area with a clean, dampened cloth using window cleaner GM P/N 1050427 (Canadian P/N 992727) or equivalent in order to clean the surface of the perimeter. Allow to air dry.

INSTALLATION PROCEDURE
1. If reusing the old sunroof window seal, use a clean dampened cloth, wipe the seal with a small amount window cleaner GM P/N 1050427 (Canadian P/N 992727) or equivalent to installation.
2. Cycle the sunroof to closed position.




3. Position the seam of the new seal into the channel previously marked in (step#5).Press the seal firmly into the channel until fully seated.




4. Starting in the rear corners of the seal channel, firmly press the window seal (1) into place, working any excess seal length toward the center, seating the remainder of the seal across the rear of the sunroof opening.
5. Cycle the sunroof to the full open position.
6. Firmly press the seal into the front corners of the channel, and then work any excess length toward the center across the front and sides of the opening

7. IMPORTANT: Ensure that the seal is properly seated around the entire perimeter of the frame.

Inspect the sunroof seal for rolling condition along the edges of the roof. Repair the rolling seal by spooning the edge of the seal into position to the frame, using a suitable tool.
- Open the sunroof and inspect the four corners of the seal for puckers or dimples.Repair the corners by pulling the seal tight and refitting to the frame.
- If the sunroof window seal is above the roof line it must be refitted into the frame and seated.
8. Install the sunroof window to the rear.
9. Install the sunroof window to the front.
10. Adjust the window panel. Refer to Sunroof Window Height and Opening Fit Adjustment (C3Y) Sunroof Window Height and Opening Fit Adjustment (CF5). Adjustments Adjustments

11. Inspect sunroof for proper operation.