Rear Sunroof Module Hoses and Seals
Rear Sunroof Module Drain Hoses - Sedan1. Remove roof rear panel assemblies (rear roof applique's) from the left and right side of vehicle.
^ On 1996 - 1999 model year vehicles, refer to "Panel-Roof Rear Outer-Sedan" in the Roof, Rocker Panels and Attaching Components section of the appropriate model year Body/Repair Service Manual.
^ On 2000 - 2001 model year vehicles, refer to "Panel-Roof Rear Outer-Sedan" in the Roof and Rockers section of the appropriate model year S-Series Body/Electrical Volume I Service Manual.
2. Remove the quarter outer panel hole plugs on the left and right side of the vehicle. (Quarter outer panel hole plugs are located under the rear of the roof rear panel assembly.)
3. Inspect both sunroof housing rear drain hoses through the quarter outer panel holes to determine if they are kinked. (The sunroof housing rear drain hose(s) may have been kinked by the installation of the sunroof housing rear drain hose grommet, which is located below body plug.)
^ If either of the sunroof housing rear drain hoses are kinked, remove the kinked sunroof housing rear drain hose(s) and replace with a new sunroof housing rear drain hose(s) and sunroof housing drain hose clamp(s).
On 1996 - 1999 model year vehicles, refer to "Rear Drain Hose Grommet - Sedan" in the Vehicle Interior Systems section of the appropriate model year Body/Repair Service Manual.
On 2000 - 2001 model year vehicles, refer to "Rear Drain Hose/Grommet - Sedan" in the Sunroof section of the appropriate model year S-Series Body/Electrical Volume II Service Manual
^ If neither of the sunroof housing rear drain hoses are kinked, remove each sunroof housing rear drain hose from the sunroof housing and proceed to the next step.
4. Using a standard air gun, limited to 207 kPa (30 psi), blow into the sunroof housing rear drain hole(s) with the obstruction and attempt to clear the obstruction.
^ If air flows freely through both sunroof housing rear drain hoses, there is no obstruction. Reattach sunroof housing rear drain hoses and refer to "Sunroof Module Sealer" in this bulletin.
^ If at first air does not flow freely through either of the sunroof housing rear drain hoses, then starts to flow freely, obstruction has been removed. Reattach sunroof housing rear drain hoses.
^ If air does not flow freely through either of the sunroof housing rear drain hoses and obstruction cannot be removed, replace sunroof housing rear drain hose(s) with new sunroof housing rear drain hose(s).
On 1996 - 1999 vehicles, refer to "Rear Drain Hose Grommet-Sedan" in the Vehicle Interior Systems section of the appropriate model year Body/Repair Service Manual.
On 2000 - 2001 vehicles, refer to "Rear Drain Hose/Grommet - Sedan" in the Sunroof section of the appropriate model year S-Series Body/Electrical Volume II Service Manual.
5. Water test vehicle in sunroof module area.
Rear Sunroof Module Drain Hoses - Coupe
1. Raise the front of the vehicle so all water flows to the rear of the sunroof housing.
2. Water test the vehicle with the sunroof closed.
On 1996 - 1999 model year vehicles, refer to "Waterleaks" in the General Information section of the appropriate model year Body/Repair Service Manual.
On 2000 - 2001 model year vehicles, refer to "Waterleaks" in the Windnoise/Waterleaks/Appearance section of the appropriate model year S-Series Body/Electrical Volume I Service Manual.
^ If water runs over the rear portion of the sunroof module during the water test, remove the sunroof housing rear drain hoses from the vehicle and proceed to step 3.
^ If water does not run over the rear portion of the sunroof housing during the water test, refer to the other procedures in this bulletin.
3. Using a standard air gun, limited to 207 kPa (30 psi), blow into the sunroof housing rear drain hoses - to dislodge any possible obstructions.
4. Reattach sunroof housing rear drain hoses to sunroof housing and water test the vehicle again.
^ If water runs over the rear portion of the sunroof module during the water test, proceed to step 5.
^ If water does not run over the rear portion of the sunroof housing during the water test, the obstruction has been removed.
5. Replace the sunroof housing rear drain hoses with new sunroof housing rear drain hoses and sunroof housing drain hose clamp(s).
On 1996 - 1999 model year vehicles, refer to "Rear Drain Hose Grommet-Coupe" in the Vehicle Interior Systems section of the appropriate model year Body/Repair Service Manual.
On 2000 - 2001 model year vehicles, refer to "Rear Drain Hose/Grommet - Coupe" 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.
Reseal Rear of Sunroof Module - All Models
A water leak from the rear of the sunroof module may result from a void in body sealer between sunroof module side rail and end piece that drain hose attaches to. Before attempting this repair, be certain water leak is not present due to missing hose clamps on sunroof module drain hoses.
1. Remove sunroof module from vehicle.
2. From the top side, seal end piece in areas shown in illustration using Kent Industries HIGH TECH Seam Sealer (P/N 10070), or equivalent.
3. From bottom side, seal end piece in areas shown in the illustration using Kent Industries HIGH TECH Seam Sealer (P/N 10070), or equivalent.
4. Install sunroof module in vehicle.
5. Water test vehicle in sunroof module area.