It's the valve cover gasket rings around the spark plug holes when you put the cover on,one is pinched letting oil past when you run the engine and that hole is for water to run out of when it fills the spark plug hole..
thanks I knew it was a weep hole but did not know the source..It's the valve cover gasket rings around the spark plug holes when you put the cover on,one is pinched letting oil past when you run the engine and that hole is for water to run out of when it fills the spark plug hole..
thanks I knew it was a weep hole but did not know the source..