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Old 08-03-2014, 05:26 PM   #1
brehas
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Air coming out of all vents

Hi all,

On my 13 Focus, I've noticed that when the air is supposed to only come out of the dash vents (not floor or defrost) some comes out of the defrost and floor. This is even at lower fan speeds. The problem goes away when I get up to speed and let off the gas, but leave it in gear (it's a stick shift). Basically motor turning fast, but throttle is closed.

This makes me think that it's a vacuum leak somewhere; has anyone else seen this? The car is under warranty, but every time I take it in for something it takes them at least two tries to fix it, and that's not super convenient. If it's a vac problem in the dash, I don't want to mess with it. But if it's something easy/cheap under the hood, I may do it myself.

Any ideas?

Thanks in advance.


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Old 08-03-2014, 05:33 PM   #2
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My floor vents never close and it drives me insane as I hate having cold feet
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Old 08-03-2014, 07:00 PM   #3
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The gizmos which direct the air are just plastic flaps which sit in the vents. they do not seal the vent, only mostly block it. If they are mispositioned they could easily fail to do any good.
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Old 08-04-2014, 08:27 PM   #4
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I always have air coming out on my feet even though I have only selected the face or defrost. Also when I select face-and-feet, not much comes out of the face vents. It's slightly annoying.
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Old 08-05-2014, 10:55 AM   #5
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^Same. Panel+Feet = 90% Feet

Also, if I set it on feet only (at least in the winter) it still directs air to the windshield - which makes the air by my face hot and that annoys me. I guess it's supposed to do that to stop the windshield from fogging up, but I'd still rather control that myself. Oh well... doesn't bother me enough to do anything about it - especially if that is actually how it was designed.
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Old 08-12-2014, 10:48 PM   #6
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Thanks for the input. It doesn't seem like it should function this way by design, maybe it is just a common problem. I guess it is to be expected in a cheaper car, I just wish they would have kept the crappy Sync system and made a better HVAC!
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Old 08-15-2014, 06:38 AM   #7
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Quote:
Originally Posted by brehas View Post
Thanks for the input. It doesn't seem like it should function this way by design, maybe it is just a common problem. I guess it is to be expected in a cheaper car, I just wish they would have kept the crappy Sync system and made a better HVAC!
When the HVAC is in panel mode fully, there should be no floor bleed. The control head has intermediate mode positions which can allow for some floor bleed depending on the setting you have it in. However, in floor mode, the defrost bleed is intentional.
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