2011 GMC Acadia Owner's Manual - Page 342
2011 GMC Acadia Manual
Page 342 highlights
10-14 Vehicle Care 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. 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. 2. Disconnect the cover fitting from the ventilation tube (A). 3. Disconnect the wiring harness connector from the sensor (B). { 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. 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. A. Clamp B. Screws C. Housing Cover D. Filter E. Base 10. Reinstall the engine cover. See Engine Cover on page 10‑7.