Question about 1997 Cadillac Eldorado

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1997 cadillac eldorado running hot

I have changed all hoses, thermostat, water pump, seal and radiator , can't find any leaks.The car will sit and run all day without overheating, but when the car is driven over 30 minuites it runs hot.any ideas? Fred

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  • Mike LaPres
    Mike LaPres May 11, 2010

    Does it have the correct thermostat and water pump?

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Sometimes a vacuume leak can cause overheating problems too.

Posted on Jun 19, 2009

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Make sure you put in the correct temp thermostat. GM usually has 2. A low temp and a high temp. Most shops will give ya the high temp just because thats usually what the book calls for. you might want to try a low temp. Also, sometimes, when a car runs hot and everything has been repaired....well, almost everything......it might be the head gaskets. And those my friend are no easy task. But..somewhere to start. have your cooling system pressure tested. Only way to really know for sure. Oh..also make sure your fan is working!!!! You might have a faulty fan switch.

Posted on Jun 19, 2009

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Cooling fans not working

Posted on Jul 18, 2009

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Your radiator may look good but it could be bad. I changed everything on mine and even had it flushed out. Only the new radiator fixed the problem.

Posted on Jul 01, 2009

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