Download Condition Some customers may comment on water leaking onto the front passenger carpet. Cause Water may be getting past the rubber water deflector located under the air inlet grille panel. During diagnosis, the technician may note that the passenger compartment air filter is wet. Correction Install the new plenum water deflector. Follow the procedure below: 1. Position the windshield wipers in the up position. 2. Open the hood. 3. 4. 5. 6. Remove Remove Remove Remove the the the the hood seal. washer hose from the right air inlet grille panel. push pin that retains the air inlet grille panel. air inlet grille panel. Important: If Corporate Bulletin Number 03-08-57-006A was performed, it will be necessary to remove the strip of foam that was installed on the front edge of the cowl. 7. Discard the rubber water deflector. 8. 9. 10. 11. 12. 13. 14. Install the new designed plenum water deflector. Install the air inlet grille panel. Install the push pins. Install the washer hose. Install the hood seal. Close the hood. Return the windshield wipers to the park position.
Home Tips & Tricks 2005 Buick LaCrosse, Water Leak on Front Passenger Floor (Install Water Deflector)