缸头垫圈漏从道理上不应考虑? have you heard of blow head?

来源: 于 2011-02-22 22:34:35 [旧帖] [给我悄悄话] 本文已被阅读：次

VW even have common valve cover gasket leaking issues on brand new car! there is almost no pressure compare to engine head gasket.