2005 Buick LeSabre Owner's Manual - Page 260

3. Disconnect the electrical connector from the air intake hose. This will allow you to lift the rear portion of the engine air cleaner/filter housing. 4. After detaching the hose from the throttle body, pull back the entire rear portion of the engine air cleaner/filter housing by pulling upward and rearward. 5. Inspect or replace the engine air cleaner/filter. 6. Reinstall the rear section of the engine air cleaner/filter housing. 7. Reconnect the electrical connector. 8. Reattach the air intake hose by snapping it back onto the throttle body. 9. Refasten the latches to the engine air cleaner/filter housing cover. 5-20