Had same Problem on Beneteau 411 and indeed there was a hole in the heat exchanger so antifreeze got pumped out with raw water. Jerry
Sent from my iPhone > On Apr 5, 2019, at 11:48 AM, Gary Russell via CnC-List > <cnc-list@cnc-list.com> wrote: > > You can't rule out a head gasket, either. Look for a milky substance in the > engine oil. > Gary > S/V Kaylarah > '90 C&C 37+ > East Greenwich, RI, USA > ~~~~~~~_/)~~~~~~ > > > >> On Fri, Apr 5, 2019 at 11:47 AM ALAN BERGEN via CnC-List >> <cnc-list@cnc-list.com> wrote: >> Over a period of time, I'm losing antifreeze from the engine. I haven't seen >> any leaks coming from any of the hoses or hose connections while the engine >> is running. Can anyone confirm that the likely cause is a leak in the heat >> exchanger? The engine is a Yanmar 3GMf, 20hp model. How difficult is it to >> replace/repair the heat exchanger core? >> >> Alan Bergen >> 35 Mk III Thirsty >> Rose City YC >> Portland, OR >> _______________________________________________ >> >> Thanks everyone for supporting this list with your contributions. Each and >> every one is greatly appreciated. If you want to support the list - use >> PayPal to send contribution -- https://www.paypal.me/stumurray >> > _______________________________________________ > > Thanks everyone for supporting this list with your contributions. Each and > every one is greatly appreciated. If you want to support the list - use > PayPal to send contribution -- https://www.paypal.me/stumurray >
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