Question about 1999 Ford Mustang Cobra

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1999 Mustang heater problem

I have a 1999 mustang. When i went to turn the heat on for winter. the buttons turns a little hard when the fan is on full blast. Also there is no heat coming out unless i mess with the heat dial for a while. i'm sure it has to do with something in the heater box.. but what exact item?

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  • relihkcin Nov 21, 2008

    thanks, what's the solutions? Take the heater box apart and straighten the blend door?

  • ADAMIVEY Nov 12, 2013

    I have a 1999 ford mustang it won't heat sitting but it will going down the road what is wrong

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The heater/AC temp control blend door is warped and sticking, this is a very common problem in this series of mustang, in order to fix it the dash must be removed.

Posted on Nov 21, 2008

  • yadayada
    yadayada Nov 21, 2008

    Once you get it apart you can probably correct the issue with some grinding and reshaping of the door.

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