white smoke blowing from ac vents

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Old 08-22-2009, 12:51 PM
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Exclamation white smoke blowing from ac vents

So I just recently noticed that there's very light white smoke blowing from my ac vent when the ac is on

Does anybody know what could be causing this?
Old 08-22-2009, 12:55 PM
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This happens to me when it is real hot and super humid outside. It is just the cold air interacting with hot and humid cabin temperature. Its been happening to me a few times this week. Not sure what your problem could be. Good luck
Old 08-22-2009, 01:02 PM
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This has happened to my car as well. I agree with Morrissey25. It's just condensation.
Old 08-22-2009, 01:12 PM
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agreed.
Old 08-22-2009, 02:08 PM
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its good smoke (simple plain ol water mist) Same thing that happens on planes right before you get ready to depart, at least here in the humid south
Old 08-22-2009, 02:24 PM
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Yup, agreed with the rest. Happened to me today also. It's just water.
Old 08-22-2009, 03:27 PM
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your engine exhaust pipes were re-routed to your AC vents. someone is trying to kill you slowly
Old 08-22-2009, 03:45 PM
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^lol

its been super humid in teh northeast lately, it sucks
Old 08-22-2009, 03:47 PM
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lmao at phee
Old 08-22-2009, 04:36 PM
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he better think twice next time its hot outside
Old 08-22-2009, 04:49 PM
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you sure you didnt hide a roach in there when the cops rolled on you last time? haha jk man.

yea i think its condensation. it happened to me once as well during a scorching week.
Old 08-22-2009, 06:40 PM
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In Hawaii- the inter island jets are exposed to high humidity and rapid heating and cooling cycles during their 20 minute flights

When they open the door the overhead ac vents begin pouring out white vapors...
alarming tourist,, but locals walk right thru it
Old 08-22-2009, 06:43 PM
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when its really hot or humid- I find it helps to cycle the ac- turn it off a few minutes and allow the vents to dry out, the frozen piping to defrost etc while driving
It never really gets to 68 in the car anyway when its 100 out

and switc from recirc to fresh now and then
constant recirc makes it reuse the same inside air over and over, not good for your health
Old 08-22-2009, 09:23 PM
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i always keep it at 60 with full fan speed and recirc on, my windows always fog up on the outside, hence why you might see me using the wipers on a day its not raining. i like an icebox. but yet i never have white smoke coming out of my vents.
Old 08-22-2009, 11:18 PM
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Originally Posted by phee
your engine exhaust pipes were re-routed to your AC vents. someone is trying to kill you slowly
and yeah the same things been happenin to me over the summer
Old 08-23-2009, 01:02 AM
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gold is an excellent example of why you need to read the operator-owner book and give the ac a rest now and then
60 setting doesnt make it blow any colder any faster- just keeps it on constantly as there is no way its going to cool the cabin that well in 100 temps
68 gives it a chance to rest occassionaly- 70-72 and it might even get an honest temp based shut off cycle!

change your cabin filter if running fan on 5 all the time
and replace the blower fan connector wire with the new extended length one,, to prevent connector failure- burning- FIRE!
Old 08-23-2009, 11:26 AM
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the reason why i was a little worried was because i bought a can of that ac fluid at autozone a couple of weeks ago and recharged my ac line....

but i guess according to you guys its all good
Old 08-23-2009, 11:43 AM
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yea, the recharge just made your AC blow colder than usual.
Old 08-23-2009, 04:12 PM
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Old 08-23-2009, 08:13 PM
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Originally Posted by 01tl4tl
gold is an excellent example of why you need to read the operator-owner book and give the ac a rest now and then

lol, just kidding

i rest mine here and there. just some days i blast the ac like a mofo.
Old 08-24-2009, 12:12 AM
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My car has been doing it a lot lately due to all of the humidity down here.
Old 08-24-2009, 05:09 AM
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It does it a lot over here too. It freaks my Girlfriend out
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