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2006 Ford Crown Victoria Question: Why did AC air start coming thru defrost vents instead of dashboard vents?

 

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Dave Houchin, Crescent City, FL, July 06, 2014, 17:05
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Every time it is in cooling mode this occurs. Cold air comes out of the defrost vent as well as the floor heat ducts.

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  • Answer #1

    pushrod July 06, 2014, 17:38
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    Vacuum controlled mode selector! Possible control panel issue!! Easily tested with a Mityvac test kit. Not really a DIY project.... Don't know your skill level!

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    Dave Houchin, July 07, 2014, 08:25
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    I was hoping that I found someone that had the same problem. Without tearing the dash apart I thought it might be a vacuum modulattor which directs the air flow from heater,- and defrost outlets. If someone else had the same problem perhaps they could pinpoint the issue thus avoiding removal of the dash panel which I am sure is a lot of work, from experience.

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    pushrod, July 07, 2014, 11:47
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    Takes about 5 minuets to remove the hvac control panel ...and I HAVE had this problem with them!!.... However you must test it to conform that is the problem!! See YouTube for a video on this... Without testing... ANY answer is no more than a best guess!!
    Good luck with it!

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