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Old 03-17-2014
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Samuelmonosov Samuelmonosov is offline
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Re: Yanmar coolant light on

I had a similar problem. It ended up just being a bad thermostat. The thing was stuck open, so she started up, the coolant in the reservoir just dumped into the closed water system. The alarm wouldn't go off until the temperature was high enough for the coolant to actually be needed. Hope that helps


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