Question about 1998 Chrysler Concorde

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Heater only blows cold air

Heater started blowing intermittent hot and cold air. The mechanic said the heater core was fine and that it was electrical. We replaced the switch unit which was what he suggested, but now it only blows cold air. What are we missing?

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  • Anonymous Dec 11, 2008

    They told me the water pump was bad 2 years ago, but can still drive it with no noise and mostly a problem just in winter. If I rev the engine or drive around in 3rd gear then the heat works. Also works better on freeway than around town. Problem is it costs a fortune to replace water pump since they had the brilliant idea to put it in the middle of the engine.

  • tertri
    tertri May 11, 2010

    Did you check any & all fuses that have to do with the heater, blower motor, etc?

  • Anonymous Mar 13, 2014

    my 2011 jeep liberty heater is blowing cold air but heater core is hot

  • Anonymous Mar 17, 2014

    Heater not blowing hot air, front driver side floorboard is wet, and car overheats

  • Anonymous Mar 17, 2014

    the fan only blows on high speed and will not blow hot air, the front driver floor board is wet, and the car overheats after driving around hour and half. What do you thinks is wrong and how can I check myself the isssue?

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Check both heater hoses under hood to see if they get hot, if they do the heater is fine. need to check to see if the selection doors inside the unit are opening and closing.

Posted on Dec 01, 2008

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http://howtobyme.blogspot.com/2011/11/engine-overheats-and-heater-blowing.html

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