2003 Buick LeSabre Owner's Manual - Page 272

Refer to Part A: Scheduled Maintenance Services on page 6-4 to determine when to replace the air filter. Operating the engine ____._ cleaner/filter Lhe air off can cause you or others to be burned. it The air cleaner not only cleans the air, stops flame if the engine backfires. If isn't there it and the engine backfires, you could be burned. Don't drive withit off, and be carefu!-worMng off. on the engine with the air cleaner/filter 5. Check or replace the engine air cleaner/filter. 6. Reinstall the rear section o the engine air f cleaner/filter housing. 7. Reconnect the electrical connector. 8. Reattach the air intake hose by snapping it back e!?!e+?et!?rett!e !?e&. Y 9. Refasten the latches to the engine air cleanedfilter housing cover. Notice: If the air cleaner/filter is off, a backfire can cause a damaging engine fire. And, dirt can easily get into yourengine, which will damage it. Always have the air cleanedfilter place when in you're driving. 5-21