Rear Sunroof Housing Drain Hoses - Coupes

1. Remove headliner from vehicle. (Refer to "Headliner" removal procedure in the "Vehicle Interior Systems" section of the appropriate year Body/Repair Service Manual.)

2. Raise the front of the vehicle so all water flows to the rear of the sunroof housing.

3. Water test the vehicle with the sunroof closed. (Refer to "Waterleaks" in the "General Information" section of the appropriate year Body/Repair 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 4.

^ If water does not run over the rear portion of the sunroof housing during the water test, proceed to "Sunroof Module Sealer" in this bulletin.

4. Using a standard air gun, limited to 207 kPa (30 psi), blow into the sunroof housing rear drain hoses to dislodge any possible obstructions.

5. 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 6.

^ If water does not run over the rear portion of the sunroof housing during the water test, the obstruction has been removed. Install headliner to vehicle. (Refer to "Headliner" installation procedure in the "Vehicle Interior Systems" section of the appropriate year Body/Repair Service Manual.)

6. Replace the sunroof housing rear drain hoses with new sunroof housing rear drain hoses (P/N 21052828) and sunroof housing drain hose clamp(s) (P/N 01626260). (Refer to "Rear Drain Hose Grommet-Coupe" in the "Vehicle Interior Systems" section of the appropriate year Body/Repair Service Manual.)