Question about 2001 Cadillac Sts

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Have a 99sts runs hot is it head gasket - 2001 Cadillac Sts

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Head gasket IS a possibility but not always a probability. There are also the possibilities of a failed thermostat low coolant level without a warning light or simply a faulty radiator cap. A thorough diagnoses is definitely in order here.

Posted on Apr 10, 2011

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1998 isuzu missing alittle bit. Running hot. Radiator replaced. What is my problem


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Probably a cracked cylinder head or block, or both. Or the head was warped and the head gasket has blown again.
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I have a 2004 Buick Rendezvous that runs hot. Replaced the thermostat, manifold gasket, radiator, had the fans checked and still runs hot. What else could be the problem?


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1 Answer

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If you have over 150,000 miles probably cheaper to replace the car if the head gasket is bad.

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Oilinwatercoolent


First of all, how long has the oil been in the water? Has the engine been run hot (overheated)? Usually, oil in water (coolant) is an indication that the head gasket is worn and needs replacing. The head should be fine as long as the vehicle has not been driven and allowed to run hot or overheat. Have the head gasket replaced as well as inspecting the head.

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did you check to make sure that the gauge isn't bad? or the sending unit? also are the electric fan running when the engine reaches temp? i will be able to pinpoint the problem with the answer to these ?

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