Thread: Any Diesel or tractor mechs on here?

Originally Posted by Boar Freak

To see if the pipe is blocked somewhere and the pump is building up pressure, that was my first guess. Without the pump running the only other way getting pressure in there would be engine leak.
Cooling system was cold and engine only ran 30 sec and started pushing out coolant.

No all it will do is cause an air blockage and the temp rises quickly and then blows out the coolant.