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Old 07-06-2003
JohnBassett JohnBassett is offline
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Overheating Universal 5411

Anyone with experience in raw water cooling systems on the Universal 5411 Diesel?
Mine overheated badly last trip out.
Strainer is not plugged as I am getting fresh, cool water to the water pump.
My assessment of the options for troubleshooting are water pump impeller, thermostat, or blockage in the cooling water lines or block. Any other ideas? Is there any possibility for air inleakage at the strainer not allowing enough water to be drawn from the strainer? Any ideas will be greatly appreciated as our sailing season in Northern Ontario is not long.
Thanks.
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