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Thread: 390 Overheating
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post #4 of (permalink) Old 07-28-10, 06:50 AM
72Ford250
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Join Date: Jul 2010
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Re: 390 Overheating

Well when you start it up (when it's cool) open the radiator cap and watch the coolant as the engine warms up if the cooling system is working you should start seeing coolant shoot back into the radiator (coolant should start swirling around) if it does this and is still hot then check to see if the radiator fins are not clogged (where the air goes through) you can use compressed air or a power washer (being careful not to damage the fins) these should blow dirt out and let more air through the radiator cooling the coolant much better
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