2005 Chevrolet Astro Owner's Manual - Page 234
2005 Chevrolet Astro Manual
Page 234 highlights
How to Inspect the Engine Air Cleaner/Filter To inspect the air cleaner/filter remove the filter from the vehicle and lightly shake the filter to release loose dust and dirt. If the filter remains caked with dirt, a new filter is required. To inspect or replace the engine air cleaner/filter, do the following: 1. Unsnap both clips on the filter cover. 2. Remove the cover. 3. Inspect or replace the engine air cleaner/filter. 4. Replace the cover. 5. Snap both clips to secure the cover. {CAUTION: 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 helps to stop flame if the engine backfires. If it is not there and the engine backfires, you could be burned. Do not drive with it off, and be careful working on the engine with the air cleaner/filter off. Notice: If the air cleaner/filter is off, a backfire can cause a damaging engine fire. And, dirt can easily get into your engine, which will damage it. Always have the air cleaner/filter in place when you are driving. 5-22