G
Gregory
Guest
"From a previous post,
I have
"From a previous post,
I have twin 1993 4.3L Mercruisers with fresh water cooling. Last year I noticed "some" coolant buring during startup - you can smell coolant burning. During thw winter I replaced the risers with new close off gaskets between the risers and manifolds. Manifolds looked OK - no obvious signs of deteriation - So I just did the risers. Note that both the manifolds and risers are fresh water (antizreeze) cooled. I understand how the closed system work, but I'm still getting coolant burning at startup this year too. No water in the oil, so it must be the manifolds and/or manifold gaskets? No? Even if I pressure test them, how will I know which one to do - if indeed it is the manifolds - or should I just do both - makes sense to me. But I can't get out of my mind that the ONLY reason you should get coolant burning during a cold startup is becuase coolant has dripped down into the manifolds - but the gaskets are new - and torqued to the specs of 26 ft-lb. Anyone have some trouble shooting ideas? Thx."
I have
"From a previous post,
I have twin 1993 4.3L Mercruisers with fresh water cooling. Last year I noticed "some" coolant buring during startup - you can smell coolant burning. During thw winter I replaced the risers with new close off gaskets between the risers and manifolds. Manifolds looked OK - no obvious signs of deteriation - So I just did the risers. Note that both the manifolds and risers are fresh water (antizreeze) cooled. I understand how the closed system work, but I'm still getting coolant burning at startup this year too. No water in the oil, so it must be the manifolds and/or manifold gaskets? No? Even if I pressure test them, how will I know which one to do - if indeed it is the manifolds - or should I just do both - makes sense to me. But I can't get out of my mind that the ONLY reason you should get coolant burning during a cold startup is becuase coolant has dripped down into the manifolds - but the gaskets are new - and torqued to the specs of 26 ft-lb. Anyone have some trouble shooting ideas? Thx."