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1998 Toyota Avalon Question: heat coming in to veh thru ac vents

 

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redred dog, 3.0L V6, Fort Worth, TX, March 22, 2011, 14:44
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i am getting heat thru the ac vents even with the thermostat down and all controls off i cannot stop the heat no matter what the controls are set on

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  • Answer #1

    March 22, 2011, 14:49
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     Master

    This sounds very much like a defective blend door. The blend door is what directs the air either over the heater core for heating or the a/c evaporator for cooling. It sounds like your blend door is stuck, for some reason in the heat mode. here are some shops for repair:

    https://repairpal.com/directory?address=76118&car_brand_names=Toyota

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