2012 Subaru Forester Owner's Manual - Page 440

11-18 Maintenance and service Drive belts & Turbo models . Crank pulley Check the deflection of the front side belt and if there is any looseness, cracks, wear or unusual noise on the front side belt, contact your SUBARU dealer. Continuing to use the vehicle with the belt outside of the specification may cause the engine to malfunction and the above components to malfunction. To check the deflection of the front side belt, place a straightedge (ruler) across two adjacent pulleys (alternator pulley and crank pulley) and apply a force of 22 lbf (98 N, 10 kgf) midway between the pulleys by using a spring scale. The belt deflection should be the amount specified. If the front side belt is loose, cracked or worn, contact your SUBARU dealer. in (mm) Deflection New belt A 0.28 - 0.35 (7.0 - 9.0) Used belt 0.35 - 0.43 (9.0 - 11.0) SUBARU dealer. & Non-turbo models 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 belt is loose, cracked or worn, contact your SUBARU dealer. 1) 2) 3) 4) 5) 6) A) Power steering oil pump pulley Front side belt Alternator pulley Air conditioner compressor pulley Rear side belt Crank pulley 22 lbf (98 N, 10 kgf) CAUTION The front side belt, which runs in conjunction with the following components, must be used within the specified deflection. . Power steering oil pump pulley . Alternator pulley The rear side belt is a stretch-type belt, therefore the deflection does not need to be checked. If there are cracks or wear confirmed on the belts and a squeaking sound is heard from them, contact your