Hello all,
 
I have been plagued by an overheating engine since I bought my boat last October. The previous owner had spent thousands of dollars replacing things on the Universal 5444 engine (768 hrs on the engine). The end results was that he said not to run the engine over 1800 rpm's.
 
Following his instructions, I have run the engine at 1800 rpms and it stays right at 180, any higher on the rpm's and the engine gets hotter. This has bummed me out severly as I should be able to run at least 2400 rpms which means 1 less hour getting to Catalina ... yea!
 
I decided to pressure test the fresh water system and there is a slight leak. Determining that it could be almost anywhere, I decided to dis-connect the water heater and just cut it out of the fresh water system completely. The pressure leak went away and I can now run my engine at 2400 rpm and the temp gauge stays at 180 - yea again!
 
Now, how would you suggest that I determine what / where the problem is on the water heater? I have heard there could be tiny pin holes in the coils inside the unit which, according to my resource, could actually leak radiator fluid into the hot water? I have not noticed that I'm loosing coolant.
 
Should I just replace the whole thing?
 
Has anyone experienced this type of problem?
 
Cherie
s/v Karma
Baba 40 #115
Long Beach, CA



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Received on Thu Mar 30 08:13:50 2006