Question about 1997 Ford Expedition

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Have a 1997 expedition that blows extremely hot air when any a/c position is selected, no matter what the temperature is selected to. The air feels hotter than heated air. The compressor seems to be engaging. What could be the problem? I topped of the refrigerent, but only very hot air is coming out of the vents.

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These are known for breaking the blend doors in the heater box. It breaks the door where it hooks to the actuator. The fix thru ford is to replace the whole heater box. But you can fix it. Google it. There is a website that will tell you how. I don't remember the exact address. I think it is http://www.blenddoorfix.com

Posted on Jul 14, 2010

  • Clint Smock
    Clint Smock Jul 14, 2010

    I looked it up. Its www.blenddoorfix.netfirms.com



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Hello,
You would be wise to check all the small rubber hoses under the hood as it would appear that you have a vacuum leak preventing the airflow door from moving to any other position. Look for cracked /cracking, split hoses or disconnected hoses and replace as necessary.

Good Luck!
Rich Lilja

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