Ok the subject is a Ford 3400 3 cyl diesel 175
Replaced head gasket and could see where coolant was working its way to the oil return port even though the gasket looked in good shape.
Anyway now I still have a leak from the coolant to oil and its a quite large one. It takes about 60 seconds from pouring water into rad for it to steadily stream out of the oil drain plug. Heres the tricky part sometimes it doesn't sometimes I can fill the rad up and no leak. Engine runs great when filled with oil and coolant but every time coolant flows right into oil and sometimes takes a few minutes before it does.
So my big confusion here is how there could be such a large leak and then just no leak even with rad filled to the top. I could see maybe some gunk clogging it but seems it would be a large gash somewhere to flow out as good as it does.
Any ideas and experience appreciated.
Thanks,
Dustan
Replaced head gasket and could see where coolant was working its way to the oil return port even though the gasket looked in good shape.
Anyway now I still have a leak from the coolant to oil and its a quite large one. It takes about 60 seconds from pouring water into rad for it to steadily stream out of the oil drain plug. Heres the tricky part sometimes it doesn't sometimes I can fill the rad up and no leak. Engine runs great when filled with oil and coolant but every time coolant flows right into oil and sometimes takes a few minutes before it does.
So my big confusion here is how there could be such a large leak and then just no leak even with rad filled to the top. I could see maybe some gunk clogging it but seems it would be a large gash somewhere to flow out as good as it does.
Any ideas and experience appreciated.
Thanks,
Dustan
