Question about 2002 Chevrolet S-10

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Heat quits and becomes cold once truck reaches

Heat quits and becomes cold once truck goes over 210. I have circulation, new waterpump, antifreeze. Temp used to run at 210 now running at 230/240 consistantly and that's when the heat starts blowing cold.

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  • cleonard54 Oct 08, 2009

    Im not losing any fluid and at this point have not checked the thermostat. I was thinking that might be the problem but weather hasn't permited me to get under the hood. Mainly looking for some clarification on whether the thermostat was the problem since I do start out with heat. As soon as I get a clear day to check it though I will. Thanks.

  • clintonio May 11, 2010

    are you losing any fluid? And did you check your thermostat to make sure it isn't frozen open?



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I WOULD PUT A NEW OEM THERMOSTAT .You could have the beginning of a head gasket with no lost of antifreeze or steam out of the pipe

Posted on Oct 09, 2009

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Bad thermostat its getting stuck somehow ....replaced it!

Posted on Oct 08, 2009


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