Subaru Outback Manuals 2013 Outback Owner's Manual | Page 426

11-18 Maintenance and service power steering system from the clip on the right side of the air cleaner case. 2. Unplug the connector that is attached to the top of the air cleaner case. 3. To remove the connector cable from the air cleaner case, remove the clip that is attached to the connector cable from the guide lug on the right side of the air cleaner case. 4. Loosen the screw on the clamp. 5. Unsnap the two clips holding the air cleaner case cover. Spark plugs It may be difficult to replace the spark plugs. It is recommended that you have the spark plugs replaced by your SUBARU dealer. The spark plugs should be replaced according to the maintenance schedule in the “Warranty and Maintenance Booklet”. & Recommended spark plugs 8. To install the air cleaner case, insert the three projections on the air cleaner case into the slits on the air cleaner case cover. 9. Install the removed or loosened parts in the reverse order of removal. 6. Open the air cleaner case and remove the air cleaner element. 7. Clean the inside of the air cleane "66P