Air Conditioning (A\C) Mist Coming Out Of Vents - Mazda3 Forums : The #1 Mazda 3 Forum
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post #1 of 18 (permalink) Old 08-03-2005, 11:39 PM Thread Starter
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Air Conditioning (A\C) Mist Coming Out Of Vents

Alright, so let's see if anybody can answer this one - Mist has been coming out of my vents. Here are the situations where I've had it happen.

Driving along on the freeway, A/C is on, probably recycle too. I feel like it's getting a bit too cold for my taste, so I switch off the a/c, switch recycle off, and let the regular air flow in for a bit. Maybe say a good...5-10 minutes. Then I'll hit the a/c/ button again, hit recycle...and mist starts to blow out of my vents, mainly the center and driver side vents.

I'm worrying that this may be a leak or something? Everything smells just fine to me, I mean maybe a little more uhh...moist than usual, but otherwise it's fine. If I get into my car after leaving work and turn on the a/c right as I leave, there's no problem. The mist seems to only appear after the a/c has been on for a while, gets shut off, and then back on again shortly after.

Anybody have any insight on this? Do I need to take it in to the dealer? This is with the diffuser installed btw which I had done a few months ago. 2004 Mazda3 S Hatchback.
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post #2 of 18 (permalink) Old 08-04-2005, 03:24 AM
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Re: Air Conditioning (A\C) Mist Coming Out Of Vents

It's condensation coming out of the vents. Nothing to worry about. Down here in Florida I've seen that mist on a lot of my cars, especially if it's humid outside.

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post #3 of 18 (permalink) Old 08-04-2005, 09:06 AM
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Re: Air Conditioning (A\C) Mist Coming Out Of Vents

^^^^^^What he said.....Normal condensation from vents...Dont worry bout it.....


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post #4 of 18 (permalink) Old 08-04-2005, 09:13 AM
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Re: Air Conditioning (A\C) Mist Coming Out Of Vents

Absolutely normal.* Once you have your A/C going, the air in your vents is going to be cool and dry.* By turning the A/C off, you allowed the vents to be filled with warm, humid outside air.* Turning the A/C back on will force the humid air to condense rapidly... the result is the fog coming from your vents.

Just some more logic to give you peace of mind... In the winter time when the outside air is cold and dry, you can see your breath when you exhale.* The warm humid air from your lungs condenses once it comes in contact with the cold dry air.* This is the exact same thing that happens when your vents start to mist.

Eat right, exercise regularly, die anyway.

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post #5 of 18 (permalink) Old 08-04-2005, 11:24 AM Thread Starter
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Re: Air Conditioning (A\C) Mist Coming Out Of Vents

Thanks for the replies, everyone. It just kind of scared me because in the year that I've owned this car, I've never seen it happen. I've never seen it happen in any other car I've been in before for that matter.
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post #6 of 18 (permalink) Old 08-04-2005, 11:36 AM
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Re: Air Conditioning (A\C) Mist Coming Out Of Vents

Left hand somewhere between 7-9 o'clock position most of the time.... Both hands if driving hard......


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post #7 of 18 (permalink) Old 08-04-2005, 12:54 PM
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Re: Air Conditioning (A\C) Mist Coming Out Of Vents

:lmao: ^^^
You missed.
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post #8 of 18 (permalink) Old 08-04-2005, 02:07 PM
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Re: Air Conditioning (A\C) Mist Coming Out Of Vents

:shock: Yeah.. you're kinda replying to the wrong thread, my friend.

Eat right, exercise regularly, die anyway.

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post #9 of 18 (permalink) Old 08-04-2005, 02:20 PM
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Re: Air Conditioning (A\C) Mist Coming Out Of Vents

[quote author=TGM3 link=topic=26608.msg361777#msg361777 date=1123169771]
Left hand somewhere between 7-9 o'clock position most of the time.... Both hands if driving hard......
[/quote]

HUH? you looking at the right thread? LOL

[quote author=valloq link=topic=26608.msg361361#msg361361 date=1123126785]
Then I'll hit the a/c/ button again, hit recycle...and mist starts to blow out of my vents, mainly the center and driver side vents.
[/quote]

Is this a Mazda 3 owner who actually thinks the AC is too cold?
I want his car!!

05 Black Mica 2.3 Sedan - AEM CAI - Stubby - BCC - HKS Hi-Power exhaust - Black tint all around - OE Pedals and dead pedal - xtec 6000k - lip spoiler - Vibrant front strut bar - ATX =(
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post #10 of 18 (permalink) Old 08-04-2005, 02:40 PM
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Re: Air Conditioning (A\C) Mist Coming Out Of Vents

[quote author=204-MZ3 link=topic=26608.msg362018#msg362018 date=1123179628]
Is this a Mazda 3 owner who actually thinks the AC is too cold?
I want his car!!
[/quote]

I doubt it.* On very humid days, I can make my vents mist at will.* ...and my A/C is NOT too cold!

Eat right, exercise regularly, die anyway.

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