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Old 04-16-2001, 07:51 AM   #1
XROLLER
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Post A/C smells horrible?

Was doing some cruising around yesterday got alittle warm out so i turn my air on and it stank like i don't know what. What could be causing this?
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Old 04-16-2001, 08:00 AM   #2
Mike Smith
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Couple of possibilities:

1. Dead rodent in A/C compressor (or general vicinity).

2. Stagnant water from A/C condenser is growing something.
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Old 04-16-2001, 08:02 AM   #3
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A/c compressor how the hell does something get in there? Solution?
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Old 04-16-2001, 08:18 AM   #4
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try spraying a bottle of lysol on the AC vents...
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Old 04-16-2001, 08:22 AM   #5
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What causes it is that you probably left your recirculate lever on the on position. It makes the system a closed loop and causes bacteria and mold to grow in your condensers. Only way to get rid of it is get your condensers cleaned. And remember not to leave your recriculate button on.
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Old 04-16-2001, 08:42 AM   #6
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So the recircluate should be to the left or the right?
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Old 04-16-2001, 09:07 AM   #7
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Just a note... the evaporator is inside the car, condensor is outside in front of the radiator. It's probibly some bacteria growning on the evaperator... I know GM makes a disinfectent for this problem, you'd have to drop by a GM dealer to get it. There may be some commercially availiable product that is similar. One other thought... have you been through a whole lotta mud anytime soon? I've seen vehicles, mainy trucks, that just stink like a swap from getting mud in the evaperator case.
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Old 04-16-2001, 09:11 AM   #8
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Never been off road with it, or at least i would of noticed this problem a long time ago, what if you spray down the radiator opening real good will that help? What's the name of the disenfectant? Could dead leaf's cause the problem?
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Old 04-16-2001, 09:56 AM   #9
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It should be pulling air from the outside. Mold can grow in there and smell pretty bad.

Was this the first time you've turned on the A/C this year? If it's been sitting over winter, then it takes a while to clean itself out.
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Old 04-16-2001, 10:52 AM   #10
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You can buy those spray for the A/C system at a auto part store. They only seems to work for a while and then you would smeel it again. Give it a try anyways.
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Old 04-16-2001, 11:00 AM   #11
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The air conditioner should be run at least once a month. This should avoid those smelly conditions. In the winter press the "air" button in when defrosing the windshield.
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Old 04-16-2001, 11:21 AM   #12
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This can happen in any car. Mold is all around and just needs the wet conditions to grow. It has nothing to do with recirculate (recirc would keep OUT the mold), but instead that the fan is shut down with the evaporator wet (that water drip which is how the a/c works), so overnight it starts molding up, like wet towels in the hamper.

Turn the fan on fresh/high, then spray Lysol into the windshield intake for 10 seconds. From now on always click off the a/c compressor 30 seconds before shutting the car off but leave the fan on. The airflow will warm up and dry off the evap, wallah no more mold. Don't bother if it's a quickie stop but do it if you're going to sit for a few hours. Now you have something to do waiting for turbo cooldown. Or just do it that last turn before home.

Gary

[This message has been edited by 2WDrift (edited April 16, 2001).]
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Old 04-16-2001, 11:25 AM   #13
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Thanks for the info, i'll go home tonight and try them.......i'll keep you informed.
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Old 04-16-2001, 11:35 AM   #14
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Somewhere, I read that everyone is supposed to turn on their AC during the off season for 5 minutes a month or week to cycle the freon. I totally forgot to do that this winter. Hope my AC doesn't stink when I use it.

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Old 04-16-2001, 11:38 AM   #15
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Yeah the a$$ smell is definatly something i'm going to have fixed, summer is coming up pretty soon and can't have a subaru with bad breath!
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Old 04-16-2001, 11:48 AM   #16
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Once a month a/c cycling in winter keeps the compressor seals lubricated w/ oil so the freon doesn't leak out. But I'd think you would have had a foggy occasion to use the a/c on defrost, since it dehumidifies the wet air. I guess that's why some cars turn the a/c on automatically with defrost.
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Old 04-17-2001, 12:18 AM   #17
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To avoid the unsightly A/C condensation funk/mildew smell, i usually like to run the air without the A/C condenser on, pull in some outside air and dry that system out so moisture doesn't just pool and sit there. This really helps. Like someone said, its also good to run the A/C occasionally during the winter so any consdensation in the system doesn't stagnate, especially when you run mold-growin heat in the airways
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Old 04-17-2001, 12:22 AM   #18
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vanilla smells nice
chris
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Old 04-17-2001, 12:53 AM   #19
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Most likely mold.

Now that it has a foothold you need to suck some disinfectant through the system.

To keep it out in the future, always run your system without the a/c compressor for the final couple of minutes. Maybe even some warmer air through it. When the system is turned off on a hot day, the cold hoses cause whatever moisture is in the air to condense inside the hoses. If there are any spores or germs or molds from the air in the system when water starts to condense, they are likely to grow, then smell.

I'm not sure, but I think Subaru's optional air filter helps prevent these airborn contaminants from entering the system.

--scott
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