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1999 GMC Jimmy Question: Wht does my heater still have hot air coming out even when it is turned off?

 

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Stumpedat60, Millbrook, AL, December 14, 2011, 20:12
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My heater works fine, but when I turned it off today hot air still came out. The blowers were off and all dials turned off.

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  • Answer #1

    mastertech6371 December 14, 2011, 20:47
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     Master

    the mode door may not be closing when commanded. you need to find the door and see if it closes when turned off.

    Roy

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