Subaru Outback Manuals 2015 Outback Owner's Manual | Page 498

Maintenance and service/Spark plugs the air cleaner element. Spark plugs CAUTION It may be difficult to replace the spark plugs. It is recommended that you have the spark plugs replaced by your SUBARU dealer. If the inside of the air cleaner case is extremely soiled (for example, by sand), contact a SUBARU dealer and have the air cleaner case cleaned. The spark plugs should be replaced according to the maintenance schedule in the “Warranty and Maintenance Book- let”. 3. If you find large foreign objects such as leaves inside the air cleaner case, remove the foreign objects. & Recommended spark plugs 5. To install the air cleaner case (rear), insert the three projections on the air cleaner case (rear) into the slits on the air cleaner case (front). 6. Install the removed parts in the reverse order of removal. 4. Install a new air cleaner element in the way the longitudinal side and the trans- verse side face as shown in the illustra- tion. 11-17 Refer to “Electrical system” F12-9.