Subaru Forester Manuals 2017 Forester Owner's Manual | Page 547

11-16 Maintenance and service/Spark plugs the air cleaner element. 3. Clean the inside of the air cleaner case (both front and rear) with a damp cloth and install a new air cleaner element. Spark plugs Drive belts It may be difficult to replace the spark plugs. It is recommended that you have the spark plugs replaced by your SUBARU dealer. It is unnecessary to check the deflection of the drive belt periodically because your engine is equipped with an automatic belt tension adjuster. However, replacement of the belt should be done according to the maintenance schedule in the “Warranty and Maintenance Booklet”. Consult your SUBARU dealer for replacement. If the drive belt is loose, cracked or worn, contact your SUBARU dealer. The spark plugs should be replaced according to the maintenance schedule in the “Warranty and Maintenance Booklet”. CAUTION Make sure the cables are replaced in the correct order. 4. 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). 5. Install in the reverse order of removal. & Recommended spark plugs For the recommended s park plugs, refer to “Electrical system” F12-10.