2.0L LNF Performance Tech 260hp and 260 lb-ft of torque Turbocharged tuner version.

whinning noise

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Old Mar 23, 2010 | 09:06 PM
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blackrocky's Avatar
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From: Upper Darby, PA
whinning noise

Im hearing whinnig noise from the front end of my car. Sounds like a cracked opened window. I only hear it around 30 mph and up and it gets louder as the speed increases. What could it be?
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Old Mar 23, 2010 | 09:10 PM
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have u checked for any leaking fliuds when car is parked?
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Old Mar 23, 2010 | 09:18 PM
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stop racing SI's
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Old Mar 23, 2010 | 09:19 PM
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ls1fbody's Avatar
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From: Costa Mesa CA
it's the teensy turboooo
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Old Mar 23, 2010 | 09:20 PM
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That's the supercharger on the alternator
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Old Mar 23, 2010 | 09:23 PM
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In all seriousness it's probably the trans

Very noisy and whiny
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Old Mar 23, 2010 | 09:23 PM
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Does it do it on accel and decel? I had a problem with the half shaft in my trans and it was making a whining noise.
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Old Mar 23, 2010 | 09:40 PM
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From: Upper Darby, PA
just got the tranny replaced. the only thing i know thats bad is the throw out bearing
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Old Mar 23, 2010 | 10:26 PM
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Its an aluminum block supercharged engine. It is going to make a high pitched whine. Anyways, the Cobalt isn't exactly quiet in the face of air flow.
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Old Mar 23, 2010 | 10:48 PM
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^ wrong section
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Old Mar 24, 2010 | 08:13 AM
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sounds like your turbo is going to blow.
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Old Mar 24, 2010 | 09:05 AM
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From: Upper Darby, PA
Originally Posted by CudaJoe
sounds like your turbo is going to blow.
Dude don't say that
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Old Mar 24, 2010 | 09:19 AM
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wheel bearing?
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Old Mar 24, 2010 | 09:35 AM
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Originally Posted by blackrocky
Dude don't say that
that'd be the best route IMO. Turbo swap is easier than new tranny.
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Old Mar 24, 2010 | 09:39 AM
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might be a danger to the manifold, check the welds
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Old Mar 24, 2010 | 09:46 AM
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From: Upper Darby, PA
It can't be the turbo. I hold boost fine
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Old Mar 24, 2010 | 05:44 PM
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From: Upper Darby, PA
Originally Posted by 07LaserBlueSS
Does it do it on accel and decel? I had a problem with the half shaft in my trans and it was making a whining noise.
what'd u do to fix it?
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Old Mar 24, 2010 | 11:50 PM
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my car started to make a whistle type noise for a bit, then lost all boost
They replaced the turbo in it...never told me what it was...
Listed on the paper as "turbo malfunction"
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