2013 Buick Regal Owner Manual - Page 263

Vehicle Care 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 covered with dirt, a new filter is required. To inspect or replace the engine air cleaner/filter: 1. Open the hood. See Hood on page 10‑4. 2. Disconnect the outlet duct by loosening the air duct clamp (2). 3. Disconnect the electrical connector (1). 4. Remove the screws (3) on top of the engine air cleaner/filter housing. 5. Lift the filter cover housing away from the air cleaner/filter housing. 6. Pull out the filter. 7. Inspect or replace the engine air cleaner/filter. 2.0L L4 Engine 1. Electrical Connector 2. Air Duct Clamp 3. Screws 8. Reverse Steps 2-4 to reinstall the filter cover housing. 10-15 2.4L L4 Engine without eAssist Shown, 2.4L L4 Engine with eAssist Similar 1. Screws 2. Air Duct Clamp 3. Electrical Connector To inspect or replace the engine air cleaner/filter: 1. Open the hood. See Hood on page 10‑4. 2. Disconnect the outlet duct by loosening the air duct clamp (2).