Question about 2001 Chevrolet Malibu

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2001 malibu-heater is blowing cold air

Temp gauge is fine. but heater is blowing cold air.

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  • Anonymous Dec 08, 2008

    i was experiencing the same problem, well i still am.
    I would hear tapping, my car then over heated, had a new temp sensor put in, following that my heater would only blow cold air.
    My uncle is trying to fix this we have to do process of elimination, quite frustrating.
    Will let you know if the temp sensor works. Maybe that would help you if it does.

  • Anonymous Jan 27, 2009

    I have the same problem!!
    so it can be fixed for the most part with a new temp sensor or by checking the cables?
    the engine temp is fine and same with the will cycle form hot to cold and the vents are also clear...

  • Anonymous May 11, 2010

    That about the coolant level? Is it low (when car is hot)? If yes it might be not enough to go to the heater for cabine. Is engine temperature OK?

  • Anonymous Mar 18, 2014

    heater blows cold air, replaced thermostate, still cold air...

  • Anonymous Mar 20, 2014

    thermostat was stuck open

  • Anonymous Mar 24, 2014


  • Anonymous Mar 25, 2014

    heater works fine

  • Anonymous Mar 25, 2014

    temp gauge drops and engine fans run all the time heater works good

  • Anonymous Mar 25, 2014

    also wants to stall at a stop



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Sounds like you have a bad temperature sensor in dash or the cable has eitehr broken or come off the heater switch under the dash!!

Posted on Dec 07, 2008

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Replaced the temp sensor for the second time!
heat works fine now, hopefully this fix will work for you costed me about 12 bucks.

Posted on Dec 11, 2008

  • rashid
    rashid Jan 14, 2014

    how to replaced the temp sensor?



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