coolant in raw water system

michael tero

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hey guys i've got an isuzu 260 h.p model # a-6bg1t engine . i'm getting coolant into the raw water strainer /intake. any help sending me in the right direction for finding the leak would be greatly appreciated ! i've got a call into a diesel mechanic but will continue to try to run this down myself as well . thanks much.
 

plowin

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How was it winterized? If the exhaust elbow is "freshwater" cooled it may be cracked and bleeding back.Put a pressure tester on the expansion tank and put a little (10psi) pressure in it and see if it holds overnight.
 
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michael tero

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crack in the heat exchanger.

had the heat exchanger pressure tested, now just to find out what it's gonna cost.
 

Dslpwr

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Send me a picture I just might have a used one on the shelf in the storage box
 

michael tero

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heat exchanger leaking

had the heat exchanger tested and it leaks. got a new one on the way . thanks for the input! SO MUCH FOR ALL THE TOYS I WANTED..:(
 
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