Re: Engine overheating - Amel54

Randall Walker

Does your sea chest look like this picture. I was in Gib and the hull was very clean with no scrapping required. But after just a few months this happened.
And it can migrate through the whole cooling system. I have started doing regular flushing with mild hydrochloric solution, similar to Barnacle buster. 
Yes I was shocked how quickly it formed.”


On Wed, Jul 28, 2021 at 09:22 David Crisp <david@...> wrote:

The problem turned out to be the transmission oil cooler which was 3/4 blocked.  The gurgling has stopped - I'm pretty sure this was the exhaust anti-syphon pipe sucking in air because of the upstream blockage.

Thanks for all the advice, really grateful.

Interestingly, now sea water can flow at full rate, when I rev the engine to over 2,000 to engage the alternator the sea chest alarm sounds, so at least I know that works!  I'm hauling out next week and will give the sea chest inlet a thorough check and clean out.
David Crisp
SV Wilna Grace
Amel 54 #58

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