Re: Onan shuts down under load without shutdown codes

Slavko Despotovic

I cleaned exhaust elbow, and cleaned manifold. White smoke is gone, but overheating not. I am now left, my opinion, with heat exchanger and thermostat. The flow of the seawater is stronger then it was before the cleaning, so I am more to the direction of faulty thermostat.
Do I have to drain a coolant from the engine to check on the thermostat?
SM 2000
#279 Bonne Anse in Portoroz

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