Corrosion and headgasket failure Jul 13, 2015 9:33:01 GMT -4 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by justyfied on Jul 13, 2015 9:33:01 GMT -4 Here is a well written story on why you should keep your battery clean.allwheeldriveauto.com/subaru-head-gasket-problems-explained/