Subaru Outback Manuals 2020 Outback Owner's Manual | Page 498

490 Spark Plugs cleaner case (front). 6. Install the removed parts in the reverse order of removal. 11-9. Spark Plugs s11ah 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.” 4. Install a new air cleaner element in the way the longitudinal side and the transverse side face as shown in the illustration. & Recommended Spark Plugs s11ah01 Refer to “Electrical System” ☞P528. 5. To install the air cleaner case (rear), insert the three projections on the air cleaner case (rear) into the slits on the air