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Volvo MD2B - Cooling Issue

SailWalt

New member
Hello All,

Well we were almost off of the dock until I found our next gremlin to work through. After running our baby for about 15 minutes we find that she is heating up. My exhaust water flows out the bottom of the boat so I can not see if there is a flow going on. I have changed the thermostat and replaced the impeller to no avail. My next action is to remove the impeller and clean out any deposits that I can get to there. Any other suggestions?

Please note that this engine had not run for about 10 months. I am thinking that standing salt water has crystalized some where and blocked passages.

Thanks as always,
SW
 
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