2001 Buick Century Owner's Manual - Page 267

Passenger Compartment Air Filter The passenger compartment air filter is located underneath your hood just below the windshield wiper arm, on the passenger's side (underneath the air inlet grille) of the vehicle. 3. Disconnect the windshield washer pump hose from the fender rail and air inlet grille. 4. Remove the hood weatherstrip from the passenger's side of the vehicle (peel back halfway to center). 5. Remove the air inlet grille retainers. The filter traps most of the pollen from the air entering the air conditioning module. Like your engine's air cleaner filter, it may need to be changed periodically. For information on how often to change the passenger compartment air filter, see "Maintenance Schedule" in the Index. To change the passenger compartment air filter, use the following steps: 1. Turn off the ignition when the windshield wipers are in the up position. 2. Raise the hood. 6. Remove the air inlet grille. 7. Remove the passenger compartment air filter. 8. Then replace the old air filter with the new one. For the type of filter to use, see "Normal Maintenance Replacement Parts" in the Index. 9. Reposition the air inlet grille. 10. Reinstall the air inlet grille retainers. 11. Reattach the hood weatherstrip. 6-17