2003 FORD F150 AIR CONTROL PANEL

  • Tiny
  • dannyboy69
  • 2003 Ford F-150

Air Conditioning problem
2003 Ford F150 V8 Two Wheel Drive Automatic 81,000 miles

Just recently, when I had the air conditioner on, as I increased in rpm's the air started coming out of the defrost vents and when the rpms came down it came back out of the front panel as it should. Now it just goes to defrost while it is dialed into panel, dont know if its electrical or the switches, need help.

thanks

dan

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Friday, May 30th, 2008 AT 6:59 PM

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  • Tiny
  • merlin2021
  • Expert
  • 17,589 posts

Check the vacuum hose that comes in thru the firewall, usually black, it goes to the reserve tank and a check valve then to manifold tap, if it's broken, the system defaults air to the defrost registers...# 15 if you can see it, bottom of the picture.


http://www.2carpros.com/forum/automotive_pictures/62217_AC_Vac_1.jpg


http://www.2carpros.com/forum/automotive_pictures/62217_Res_Tank_1.jpg

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Saturday, May 31st, 2008 AT 4:19 AM

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