The sunroof window controls the entry of water at the seal. If the sunroof window is correctly adjusted, the fit between the weatherstrip and the roof is snug.
Complete the following steps in order to test the fit:
- Insert a piece of paper between the roof and the weatherstrip.
- Close the window.
- Pull out the paper.
If there is some resistance when you pull out the paper, the fit is correct. A minimal gap is necessary to ensure that the water to the sunroof drain hoses is not excessive. Excessive gap clearance may cause objectionable wind noise.
You can adjust the height and centering of the sunroof window in order to make sunroof window to roof adjustments. Refer to Sunroof Window Height and Opening Fit Adjustment .
A drain trough in the sunroof module provides drainage. The drain trough encircles the sunroof window and leads to drain hoses that are located in each corner of the sunroof module. A drain channel spans the rear of the sunroof module and directs water into the drain trough. The front drain hoses are routed down the windshield pillars and out the center of each pillar between the upper and lower door hinges. The rear drain hoses are routed down the C-pillars.
Before you make any adjustments, determine if there are any complaints of a wet headlining or other water leaks. Verify that the draining system is not plugged or disconnected. Use a small container in order to pour water into the sunroof module drain trough. If the water flow is restricted, use compressed air in order to blow out any material that is plugging the drain system. Test the drain system again.
Do following steps in order to determine if the drain hoses are disconnected to the sunroof module without removing the headliner:
- Pull down on the headliner around the sunroof opening to release the velcro retainers and with a flashlight inspect the sunroof drain hose connection to the sunroof module.
- Reposition the headliner after inspection.
