Question about Pontiac Sunfire

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I live in Wi so it's a little cold..I drove about 10 miles when I realized I had no heat. Then noticed the thermastat. Then I shut the heat off and on..the thermstat gauge was jumping from 100 with the heat off to 200 something with it on...The coolant is in the resivoir...What should I look at next Thank you Craig

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  • kelvin smotherman May 11, 2010

    what year is car & what engine



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Put a piece of cardboard in front of radiator to stop airflow through it ,and then engine will run a bit warmer.havent you watched ice road truckers.also make sure you have a least 50% antifreeze and if temperatures drop below -20c then use neat antifreeze,as it sounds to me its freezing up with wind chill factor

Posted on Nov 27, 2008


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