HVAC issues
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Joined: Nov 2008
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HVAC issues
I have a 2011 f150 xl with the basic climate system. I'm having a couple issues with my hvac system. Initially when I took over payments on this truck I was getting a little popping noise under the dash that would go away after a couple pops. I took the bezel off to look at the radio and how it was mounted for a separate issue when I put everything back together I started the truck and now that popping is constant (it is the blend motor actuator, I've already determine that and have a new one coming) the other issue I got is that now the ac will only blow through defrost no matter what button I push. When I start up it will blow out the defrost like the flap is in default then it will blow out of the dash for a few seconds and then go back to blowing out of the defrost. I still have speed control tho I don't have 1 ,which I didn't have before that, and I haven't tried temp yet but I'm assuming it still works. Do the newer trucks still use vacuum to control the flaps or is it all electronic? I've noticed when I look at the actuators they all have a plug end instead of a vacuum port. And would the defrost vent issue be a dash control issue or would it be the actuator for that one as well?
Logistics Pro
Joined: Sep 2002
Posts: 4,411
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From: Central KY
Sounds like you have a blend door motor failure. There are videos on YouTube on how to repair these at home. Search for "Ford Tech Makuloco" or something like that...I probably misspelled his name.
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MountaineerAWD
Explorer, Sport Trac, Mountaineer & Aviator
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Feb 19, 2006 10:44 AM
