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dreaded supercharger noise

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Old 01-16-2013, 06:03 PM
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dreaded supercharger noise
As of lately my 2007 cobalt ss/sc has become very rough at idle. I have a 2.9 in pulley, header, tune, 50 injectors, dual pass endplate, and zzp heat exchanger. What is the noise? Is it because of the cold weather?

http://m.youtube.com/watch?v=0OO-6jWmvXI
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Old 01-16-2013, 06:08 PM
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Eeks that sounds terrible.

Cold weather likely has nothing to do with this. Have u checked if ur pulley is on there tight and bolted down good?
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Old 01-16-2013, 06:11 PM
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Originally Posted by riceburner
Eeks that sounds terrible.

Cold weather likely has nothing to do with this. Have u checked if ur pulley is on there tight and bolted down good?
Yes, I just tightened the bolts and made sure it was tight
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Old 01-16-2013, 06:28 PM
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I'm not gonna watch the vid I'm gonna go on a limb and say bearings
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Old 01-16-2013, 06:38 PM
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Oh yeah that could be it too

Hows it sound under throttle or boost?
Last edited by riceburner; 01-16-2013 at 06:38 PM. Reason: Automerged Doublepost
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Old 01-16-2013, 09:10 PM
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Coupler?
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Old 01-16-2013, 09:16 PM
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broken chain guide? sorry had to ask....
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Old 01-17-2013, 06:21 PM
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Took it to a mechanic and they said it is clutch on the alternator.
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Old 01-17-2013, 07:40 PM
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Originally Posted by greenhorn
Took it to a mechanic and they said it is clutch on the alternator.
You better go to a different mechanic cause the clutch is on the air conditioning compressor
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Old 01-17-2013, 08:03 PM
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Just buy a new m62 from this guy ^^
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Old 01-18-2013, 11:28 AM
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Get a screw driver and put it on the blower and put the handle on your ear and see if it is coming from there.
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