2012 Buick Regal Owner Manual - Page 290

10-16 Vehicle Care 7. Inspect or replace the engine air cleaner/filter. 8. Reverse Steps 2 through 4 to reinstall the filter cover housing. 2.4L L4 Engine without eAssist 1. Open the hood. See Hood on page 10￿5. 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: 2.0L L4 Engine 1. Open the hood. See Hood on page 10￿5. A. Electrical Connector B. Air Duct Clamp C. Screws (5) 2. Disconnect the outlet duct by loosening the air duct clamp (B). 3. Disconnect the electrical connector (A). 4. Remove the screws (C) on top of the engine air cleaner/filter housing. 5. Lift the filter cover housing away from the engine. 6. Pull out the filter. A. Screws (6) B. Air Duct Clamp C. Electrical Connector 2. Disconnect the outlet duct by loosening the air duct clamp (B).