Front Sunroof Module Hoses, Grommets and Seals

Sunroof Module Front Drain Hoses - All Models

Most likely cause of an obstruction may be the front sunroof housing drain hose(s) pinched by the cockpit attachment bolts during assembly.

1. Open sunroof glass to the full open position.

2. Using a standard measuring cup, pour two cups of water directly into the sunroof housing front drain hole. The water should be able to be poured into the sunroof housing front drain hole in under 60-80 seconds without water collecting along the sunroof housing drain channel and spilling over into the vehicle. Repeat this procedure for the other sunroof housing front drain hole.

^ If water pours through each sunroof housing front drain hole in under 60-80 seconds, refer to the other procedures in this bulletin.

^ If water does not pour through each sunroof housing drain hole in under 60-80 seconds, proceed to the next step.

3. Using a standard air gun, limited to 207 kPa (30 psi), blow into the sunroof housing front drain hole(s) with the obstruction and attempt to clear the obstruction.

4. Water test again, using a standard measuring cup, pour two cups of water directly into the sunroof housing front drain hole that was obstructed. The water should be able to be poured into the sunroof housing front drain hole in under 60-80 seconds without water collecting along the sunroof housing drain channel and spilling over into the vehicle. Repeat this procedure for the other sunroof housing front drain hole if it was also obstructed.

^ If water pours through the sunroof housing front drain hole(s) in under 60-80 seconds, obstruction has been removed.

^ If water still does not pour through each sunroof housing front drain hole in under 60-80 seconds, proceed to the next step.

5. Replace sunroof housing front drain hose(s) with new sunroof housing front drain hose(s) and new sunroof housing drain hose clamp(s).

^ On 1996 - 1999 model year vehicles, refer to "Front Drain Hose Grommet" in the Vehicle Interior Systems section of the appropriate model year Body/Repair Service Manual.

^ For 2000 - 2001 model year vehicles, refer to "Front Drain Hose Grommet" in the Sunroof section of the appropriate model year S-Series Body/Electrical Volume II Service Manual.

6. Water test vehicle in sunroof module area.

Sunroof Module Front Drain Hose Grommets - All Models

The grommets at bottom ends of sunroof module front drain hoses can be obstructed by debris, or they may be too restrictive to allow water to pass freely through them. To open up ends of sunroof module front drain hose grommets, use the following procedure.

1. Remove hinge pillar garnish/sill molding.

a. Starting at the rear of molding, pull firmly at clip locations.

b. Use a large flat blade screwdriver to reach top clip location and release clip.

2. Partially remove insulators in hinge pillar to expose lower end of sunroof module front drain hose grommet.

3. Pull lower end of sunroof module drain hose with grommet attached through lower access hole in hinge pillar.

4. Pull grommet off end of sunroof module drain hose. Do not pull on the drain hose.





Right side shown. Left side similar.





5. Once grommet is removed, extend side slits on end of grommet all the way through the bottom as show in illustration. Do not remove any material from grommet.

6. Install grommet to end of drain hose, seat grommet and drain hose in rocker panel through hole in hinge pillar.

7. Install hinge pillar garnish/sill molding.

a. Start at the top clip and work towards the rear of the vehicle.

b. Install garnish molding by snapping molding and clips into clip locations.

8. Water test vehicle in sunroof module area.

Reseal Front of Sunroof Module - All Models

IMPORTANT:
Forcing butyl sealer through the drive cable tube holes in the module will restrict the water drainage system of the sunroof module.





1. Inspect butyl sealer placed around copper drive cable tubes as they exit the front of the module for water leaks. If the water leak occurs from this area, apply Kent Industries Seal n' Caulk (P/N 10310), or equivalent, as needed until the leak is corrected.





2. Inspect for leakage where the sides of the sunroof module are joined to the front of the module. Inspect for cracked module. If no cracks are present, apply a bead of Kent Industries HIGH TECH Seam Sealer (P/N 10070), or equivalent, as shown in the illustration. If cracks are present, replace module.

3. Water test vehicle in sunroof module area.