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Old 05-16-2008, 04:20 AM   #1
contrail1
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Default Vents

I have a 94 GT and my vents will not open to allow the air to flow through. The flap in the dash is suppose to open but it doesn't. I check all the vacuum hoses and they are all connected. So, I'm guessing the device that controls the flap in the dash isn't functioning. Can anyone offer suggestions?
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Old 05-16-2008, 10:13 AM   #2
mrdeep2001
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Default RE: Vents

not sure what flap you mean? Does the air (heat or a/c) turn on at all? If so, does it only come out of the defroster vents by the windshield?
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Old 05-16-2008, 10:52 AM   #3
94StinkinLincoln
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Default RE: Vents

u got a vaccume leak, check under the hood drivers side, there is a vaccume T, make sure your vac lines dont have a leak.

the blend door actuator is controlled by a vaccume line.
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Old 05-16-2008, 12:27 PM   #4
contrail1
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Default RE: Vents

Yea, It blows only out of the defrost vent.
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Old 05-16-2008, 12:30 PM   #5
mrdeep2001
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Default RE: Vents

I had a similar problem with my 95 GT. For me, problem was a broken vacuum line under the hood. look under the hood and by the firewall should be some little black hoses on the driver side. There will be this thing that has a bunch of vacuum lines coming out of it and if you look closely, one of them should say A/C i think (If not, its probably the skinniest line) Trace that and check if its broken or disconnected. On my car, I traced it over to the passenger side and there was a T-connection that had broken.

That should be the fix, but either way let us know. Good luck.

if you need more info, see:

http://www.mustangforums.com/m_49574...tm.htm#4957409

or post back here[8D]
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Old 05-16-2008, 12:49 PM   #6
contrail1
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Default RE: Vents

I'll check it out and thanks for the details of where and what to look for. If I need to replace a vacuum line, where's a good place to by replacements from???
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Old 05-16-2008, 01:08 PM   #7
mrdeep2001
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Default RE: Vents

auto parts store i guess, i would just macgyver something up. Mine was broken where the hose connected to the T fitting and I just wrapped some electrical tape around it....
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Old 05-16-2008, 02:18 PM   #8
contrail1
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Default RE: Vents

LOL, I haven't heard that one in a minute "MacGyver"...Tru dat, I'll see what I can whip up if I find a break.
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Old 05-16-2008, 02:36 PM   #9
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Default RE: Vents

haha i loved that show, it was the ****!
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