Hi All, First Post and looking for help.
1984 Ericson 30+, Universal M-18 original engine. This Spring put new heat exchanger, new hoses, Alternator bracket factory recommended replacement ( circa1991), Removed exhaust manifold and elbow and had both boiled clean, new gaskets, etc.
Today, after many summer sails and moderate engine use, the engine overheated and generated a large volume of steam. By the time I noticed, the temp gauge was nailed high. Shut down engine. Sailed home.
At mooring with engine cooled off, re-filled with coolant and there is a drip from one of the bolt holes where the long threaded stud goes through the manifold. I believe that the hole is drilled through solid cast iron within the manifold and there should not be any water coming out the bolt hole. clearly the washer and nut are not intended to keep water in.
Is my exhaust manifold cracked or corroded internally allowing coolant into the hole? Was planning to leave tomorrow on a one week sailabout, guess it will be without engine.Thoughts (and prayers) appreciated. Did anyone notice it is Friday the 13th?
Thanks in advance, Elrod
1984 Ericson 30+, Universal M-18 original engine. This Spring put new heat exchanger, new hoses, Alternator bracket factory recommended replacement ( circa1991), Removed exhaust manifold and elbow and had both boiled clean, new gaskets, etc.
Today, after many summer sails and moderate engine use, the engine overheated and generated a large volume of steam. By the time I noticed, the temp gauge was nailed high. Shut down engine. Sailed home.
At mooring with engine cooled off, re-filled with coolant and there is a drip from one of the bolt holes where the long threaded stud goes through the manifold. I believe that the hole is drilled through solid cast iron within the manifold and there should not be any water coming out the bolt hole. clearly the washer and nut are not intended to keep water in.
Is my exhaust manifold cracked or corroded internally allowing coolant into the hole? Was planning to leave tomorrow on a one week sailabout, guess it will be without engine.Thoughts (and prayers) appreciated. Did anyone notice it is Friday the 13th?
Thanks in advance, Elrod