2008 Saturn Astra Owner's Manual - Page 201

Vehicle Service and Care 9-11 Engine Air Cleaner/Filter more information. If you are driving in dusty/dirty conditions, inspect the filter at each engine oil change. { 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 flames 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. 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. 1. Remove the screws that hold the cover on. 2. Disconnect the electrical connector. 3. Lift off the cover. 4. Inspect or replace the engine air cleaner/filter. 5. Reverse Steps 1 through 3 to reinstall the cover and reconnect the electrical connector. See Engine Compartment Overview on page 9-6 for the location of the engine air cleaner/filter. When to Inspect the Engine Air Cleaner/Filter Inspect the air cleaner/filter at the Maintenance II intervals and replace it at the first oil change after each 50,000 mile (83 000 km) interval. See "Schedule Maintenance" in Service and Maintenance for