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Bubbling noise in A/C vents
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jimmytraylor1
New User
Aug 5, 2007, 10:43 AM
Post #1 of 2
(1974 views)
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Bubbling noise in A/C vents
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My 1998 Lumina has been making bubbling noises that come from the A/C vents in the car. And sometimes I also get a light mist coming out of the vents as well (never smells like anything, just a fine mist). It only does it during the summer when I am using my A/C. We had the heater coil checked out and it was fine. It has also recently started squeaking when I turn corners and this is when the bubbling starts as well. But it really only does it when I turn corners or go up and down hills and all of the noises seem to be coming from the A/C vents. Anybody experience this before?
(This post was edited by jimmytraylor1 on Aug 5, 2007, 12:20 PM)
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Aug 5, 2007, 3:44 PM
Post #2 of 2
(1964 views)
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Re: Bubbling noise in A/C vents
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That's a little different but that's why we call this spot "Funny Noises" -- Does the car make condensate (water) dripping when A/C in running for a while? Most should. There is a drain for that that can plug up but you would almost always notice water on the passenger's side floor. If somehow the water builds up to a level that is way to high up in the distribution box I suppose the sloshing could get some water to the fan causing noise and the bubbling sound might be the water. Squeaking if not the fan motor is something else completely.
If you think that could be it clear out the drain, usually a small elbow tube well hidden on firewall with plastic like a wire tie as poking in there with metal can damage the A/C's evaporator.
Funny, this seems to be plugged drain week!
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