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It could be that your radiator is rusted or damaged and need to be changed. Have it checked and flushed out to be sure. Another problem could be your cooling fan is not working properly, it should come on when the engine gets to a certain temperature. If it doesn't then check the connections and have it tested to see if there is a problem. These are the first things that should be checked out and also make sure none of the hoses are collaped or clogged. If you can feel the hoses getting warm after the engine has reached the proper temperature then water is flowing through them, you must check all the hoses even the heater hoses. These are usually the main reasons for overheating. But beware that there are other things that can cause it to overheat that has nothing to do with the cooling system. Good luck and I hope you find the problem. Jean

Answerthis can be caused by an old/defective radiator cap. i would replace it.

patricklaw1957@Yahoo.com

answer replace radiator cap would be my next move then if that doesnt fix problem check that engine timing is correct

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Q: Why is the engine still overheating after you have replaced the water pump heater core and thermostat?
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