2012 GMC Acadia Owner's Manual - Page 319

Vehicle Care 7. Remove the filter (D) and any loose debris that may be found in the base (E). 8. Inspect or replace the filter (D). 9. Reverse Steps 2 through 6 to reinstall the housing cover and reconnect the electrical connector to the sensor. 10. Reinstall the engine cover. See Engine Cover on page 10‑8. A. Clamp B. Screws C. Housing Cover D. Filter E. Base 4. Loosen the outlet duct clamp (A). 5. Loosen the six housing cover (C) screws (B). 6. Remove the housing cover (C) with outlet duct. 10-13 Notice: If the air cleaner/filter is off, dirt can easily get into the engine, which could damage it. Always have the air cleaner/filter in place when you are driving. Cooling System The cooling system allows the engine to maintain the correct working temperature. { WARNING 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. Use caution when working on the engine and do not drive with the air cleaner/filter off. A. Engine Coolant Recovery Tank B. Radiator Pressure Cap C. Engine Cooling Fans (Out of View)