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Old 04-21-2017, 11:34 AM   #14
Gordon B
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City: Titusville,Fl
Vessel Name: Moonstruck
Vessel Model: 41' Defever
Join Date: Jan 2015
Posts: 97
Quote:
Originally Posted by Lepke View Post
Heat exchangers are the 1st place to look. Mixing elbow is 2nd. Make sure the SW intake is clear. Also some people put in higher volume SW pumps (common in warm waters) and have a valve to divert some of the water. If the valve is open too far, not enough water goes into the exhaust. My Detroit mains divert some to keep from overwhelming the muffler.
My mechanic just used a thermal imaging device and found that the heat exchanger is hot, so I guess I'll start there. I cleaned and flushed it on the trip down but I didn't take it apart.
Hopefully, this will solve the problem.

Thanks
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