dp213 Posted January 28, 2018 Share Posted January 28, 2018 What year did subaru start using the updated head gaskets in the 2.5 outback. And are they really less prone to the d gaskets issues. Quote Link to comment Share on other sites More sharing options...
Mike104 Posted January 29, 2018 Share Posted January 29, 2018 According to this guy it was pre 2010 for the Outback https://allwheeldriveauto.com/subaru-head-gasket-repair/ Main problem with these is that some get overheated multiple times and eventually have rod knock, usually after spending a bunch of $$$ or time replacing head gaskets. If it was an SOHC engine it may be an external leak (oil or coolant). The EJ25D (DOHC) engines were prone to exhaust leaks into the cooling system. Best gasket to use is the Turbo one 11044AA770 from Subaru, its a Multi-Layer Steel gasket. Quote Link to comment Share on other sites More sharing options...
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