2001 Pontiac Bonneville Owner's Manual - Page 302

Engine Air Cleaner/Filter 3. Pull out the filter. 4. Check or replace the engine air cleaner/filter and make sure the filter cover tabs position through the slots in the housing. A notch on the sides of the filter cover will indicate the correct engagement. 5. Fasten the two clips on the top of the housing when you are finished. Refer to the Maintenance Schedule to determine when to replace the air filter. See "Scheduled Maintenance Services" in the Index. CAUTION: The engine air cleaner/filter is on the driver's side of the engine compartment. See "Engine Compartment Overview" in the Index for more information on location. To check or replace the engine air cleaner/filter do the following: 1. Loosen the two clips on top of the air cleaner housing and lift the filter cover tabs out of the housing. 2. Push the air cleaner housing cover toward the engine, compressing the hose. Operating the engine with the air cleaner/filter off can cause you or others to be burned. The air cleaner not only cleans the air, it stops flame if the engine backfires. If it isn't there, and the engine backfires, you could be burned. Don't drive with it off, and be careful working on the engine with the air cleaner/filter off. 6-17