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