But so long into the boats life? I have owned for 5 years, just started happening last couple weeks. There is plenty of flow from outdrive through exchanger,manifolds risers and out exhaust. Just has me baffled. Do you know of a way to drain antifreeze and flush engine itself?
Thanks
No water pressure sensor...flow is great. As manifolds, risers and elbows remain cold. Was thinking of draining and flushing antifreeze, but its in the water and don't know procedure. Thinking bad water pump on engine?? Thanks
I have a 1998 DA 240 with a 5.0 mpi engine. It has a closed cooling system on it. Engine will over heat, to 200+ degrees when at higher speeds. It has new impeller on alpha outdrive, new t stat, new sending units. Heat exchanger is clear and risers, manifolds and elbows all run cool. It seems as...