Vibrations when turning with AC on
06-13-2017, 11:36 AM
#1
Vibrations when turning with AC on
I have an 09 A6 3.0T. When i'm driving and I turn left or right I get a humming and vibrations from the front end. This only happens when the AC is on. Even when the AC is on it happens about 8 out 10 times. If the AC is off the humming noise is not there? AC blows cold air.
I think it's the accessory belt. Any ideas?
I think it's the accessory belt. Any ideas?
12-20-2017, 11:20 AM
#2
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I have an 09 A6 3.0T. When i'm driving and I turn left or right I get a humming and vibrations from the front end. This only happens when the AC is on. Even when the AC is on it happens about 8 out 10 times. If the AC is off the humming noise is not there? AC blows cold air.
I think it's the accessory belt. Any ideas?
I think it's the accessory belt. Any ideas?
Did you figure this out ? If so what was the issue.
I am on the same boat on this, do hear a humming noise in short intervals, while the AC compressor clutch engages/dis engages.Is not loud enough to be worried about, but definitely noticeable. Doubt its the belt., seems to be more like a bearing/pully noise.
12-20-2017, 06:14 PM
#3
Did you figure this out ? If so what was the issue.
I am on the same boat on this, do hear a humming noise in short intervals, while the AC compressor clutch engages/dis engages.Is not loud enough to be worried about, but definitely noticeable. Doubt its the belt., seems to be more like a bearing/pully noise.
I am on the same boat on this, do hear a humming noise in short intervals, while the AC compressor clutch engages/dis engages.Is not loud enough to be worried about, but definitely noticeable. Doubt its the belt., seems to be more like a bearing/pully noise.
It was actually my fan being out of balance. I replaced the whole fan in under 2 hours.
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