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  #1  
Old 04-16-2012, 06:37 PM
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Air only blows out of Defrost? Help

Hey Everyone,
I have an 2003 f150 FX4 with 79k here at my dealership, and i am having an issue with my Air just blowing out of the defrost.
I already checked the vacuum lines and i cant find anything broken, but when i take a tube off it has a loud hissing sound and good suction.

Now i did find a Black vacuum line that is connected to nothing and i cant seem to find where its supposed to go. Its in a group of 2 other vacuum lines that are connected. These lines are located to the right of the battery down resting right above the passenger tire. Is that black line supposed to be connected to anything?

I don't know a whole lot on the vacuum system. Please tell me what i should do.
All your help is greatly appreciated!

Thanks again!
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  #2  
Old 04-17-2012, 10:56 AM
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Anyone?
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  #3  
Old 04-17-2012, 11:00 AM
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Could be this>>>click link>>> EATC is Rebuildable
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Old 04-17-2012, 11:07 AM
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Take a look at the picture i linked below and look for item number 1 in the upper left corner of the picture. This part is located in the center area of the console down by your feet behind the black plastic panel . I suspect that the little J hook that holds it onto the actuator has become dislodged.

http://www.fordf150.net/photos/membe...w-diagram.html
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Old 04-17-2012, 02:03 PM
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Richard D your info was very helpful and fixed my problem! I didn't think to look there, i was getting ready to tear the dash apart!

Thanks again for the help!
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2005 F150 LARIAT 4X4. ONLY 30,00 MILES
Summer 24'' Rims with 305's tires made by Lexani
HID Headlights and Fogs 8,000K
Billet Grille Custom Painted trim

Nothing Feels better Then Driving a Clean F150!
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  #6  
Old 04-17-2012, 02:42 PM
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My pleasure, glad it solved your issue.
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  #7  
Old 07-04-2012, 12:52 PM
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thanks

thanks Richard D.

I had already pulled my dash apart and then I had a third, and much closer look at the vacuum lines behind the battery. all the lines looked fine until I realized that one line went nowhere at all.

look. it hooks up to a three prong fitting and the foam connector is broken.

well it's tape fixed for now and all is good in a/c land.

ps-to all you "manual" a/c switch folks. the eatc thread on o rings is not meant for us! don't pull your dash apart.
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Old 07-04-2012, 12:52 PM


 
 
 
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