coolant

Hey coolant experts... Soon after we purchased our boat in 2020, I dove into the list of chores identified from the survey. One of these was replacing the hydronic cabin heater, which was badly corroded and nonfunctional. I isolated that loop at the engine (valve), removed the old heater, and...

I have just serviced the engine (Hx cleaned & test, cleaned strainer, new raw impeller, manifold cover, tested thermostat, oil & filter, & fuel filters). On the last two or three outings, motoring at 1500-2000 rpm, after 30-40 minutes, water temp gauge shows ~165F, alarm buzzer starts an...

I have a continuous water leak draining into the bilge, but I haven't yet found where it originates. I'm not sure what the fluid is, but it's pink/brown sweet smelling fluid. Not sure if it's salt or freshwater. I recently replaced all my coolant hoses on the engine and I just pulled off the two...

Hello all, We have a 2012 Hunter 39. Whenever we run the engine the bilge ends up with pink coolant in it. We had a mechanical survey done 3 weeks ago, and a mechanic out to look at it today, but no idea where this is coming from. However, the overflow container for the Espar (in the...