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2002 Ford Expedition Question: Heater in front blows cold

 

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gvwelder, Potwin, KS, January 17, 2014, 12:15
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Heat in front blows cold, heat in rear blows warm. why?

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  • Answer #1

    Miles Auto Services (884 Answers) , Richmond, VA - (804) 885-4176
    milesauto January 17, 2014, 12:31
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     Master

    Most commom problem is blend door problems in the front HVAC unit. Will need to have someone familar with those type of repairs to check and see if what your problem is.

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  • Answer #2

    Dr Quick January 17, 2014, 16:19
     Enthusiast

    Some Ford trucks have a vacuum operated valve in the heater line for the front unit. Check lines to and from unit by feeling if they are hot. If not valve may be bad. If lines are hot then it could be a Blendoor or possibly a control problem.

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