2008 Subaru Outback Owner's Manual - Page 364

11-18 Maintenance and service & Replacing the air cleaner element Replace the air cleaner element according to the maintenance schedule in the "Warranty and Maintenance Booklet". Under extremely dusty conditions, replace it more frequently. It is recommended that you always use genuine SUBARU parts. ! Non-turbo models 3. Undo the screw and pull the air duct out of the air cleaner case. 4. Unsnap the two clamps holding the air cleaner case cover. 5. Open the air cleaner case cover and remove the air cleaner element. 6. Clean the inside of the air cleaner cover and case with a damp cloth and install a new air cleaner element. 1) 2) 3) Connector Duct Clamp 7. To install the air cleaner case cover, insert the three projections on the air cleaner case cover into the slits on the air cleaner case and then snap the two clamps on the air cleaner case cover. 1. Unplug the connector that is attached to the top of the air cleaner case. 2. Remove the hose that is located at the bottom of the side surface of the air cleaner case.