Whirring Noise With A/C On

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Old 08-30-2012, 04:37 PM
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Whirring Noise With A/C On

I've started to notice a medium pitched whirr that sounds like it's coming from the left drivers vent. It's obviously not the vent, but that's where it sounds like it's coming from. As soon as I shut the A/C off it doesn't happen anymore. And it doesn't happen all the time when the A/C is on... usually only for the first 10-20 minutes or so that I'm driving... Thoughts?
Old 08-30-2012, 06:05 PM
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have you changed your cabin filter? it could be a leaf
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Old 08-30-2012, 10:09 PM
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I should have pointed out that it gets louder/softer with acceleration/deceleration, it's reminds me of a lower version of the whir that I had with the drive shaft.

I did change the cabin filter last year, and, I think, it doesn't do it when just the fan is on, it's literally just when the A/C is on sometimes and goes up and down with engine revving. I tried to get a video of the sound yesterday, but of course it stopped as soon as I started recording, and then didn't do it at all today, even at 104º!

I'm not terribly concerned, just curious if anyone else has had this and if there's a repair coming up that I should put a little money away for

Thanks as always guys!
Old 08-31-2012, 09:49 AM
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ahh the acceleration detail makes a difference.

is it possibly coming from the radio like a bad ground?
Old 09-01-2012, 05:52 PM
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I have the same problem, slightly annoying
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