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supercharger-like whine?

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Old Aug 30, 2004 | 03:41 PM
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Question supercharger-like whine?

does this signify a belt problem? if so how can i check to be sure? and if not what else could it be?
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Old Aug 30, 2004 | 03:44 PM
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I have that same noise.

Only happens when the car is under load too. When I rev it in neutral there is no whine.
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Old Aug 30, 2004 | 04:00 PM
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Some older LS6 intakes had a whine problem, which sounded like a SC. GM redesigned it to prevent the noise. Mine does it pretty loud sometimes...although I think my ported TB adds to it.
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Old Aug 30, 2004 | 04:03 PM
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Well, I have a 98, so its not the Ls6 intake.

Does it do it under load, or all the time?
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Old Aug 30, 2004 | 04:09 PM
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five bucks says its gear whine
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Old Aug 30, 2004 | 04:20 PM
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Does is sound like: "Fweeeeeeeeeee". LOL. If it sounds like a supercharger it could be your belt. Get some belt dressing and spray it on to be sure. You will know really fast if that is it. And if you have any jingling, that would probably be your alternator.
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Old Aug 30, 2004 | 04:25 PM
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I have a friend with an 02 that does it.
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Old Aug 30, 2004 | 04:31 PM
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that makes no sense...i know lids will sometimes make your car whistle...so most likely any intake work will make it whine...also i've noticed with my old 98 camaro that when you turn the wheel and accelerate around a corner it will whine a lot more...that is most likely the power steering pump though
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Old Aug 30, 2004 | 04:36 PM
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It could also be your fuel pump. I've heard quite a few loud fuel pumps on f-bodies that make the sound you describe, but you car doesn't do it in neutral so that might rule that out. I know I can always hear my fuel pump under light throttle since there isn't enough exhaust noise to drown it out. It's also more pronounced when my car isn't warmed up yet.
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Old Aug 30, 2004 | 04:56 PM
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Originally Posted by MJSLude99
It could also be your fuel pump. I've heard quite a few loud fuel pumps on f-bodies that make the sound you describe, but you car doesn't do it in neutral so that might rule that out. I know I can always hear my fuel pump under light throttle since there isn't enough exhaust noise to drown it out. It's also more pronounced when my car isn't warmed up yet.
I don't know...my fuel pump hisses when it's being pissy. Particularly on long trips. I never heard one squeal.
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Old Aug 30, 2004 | 05:28 PM
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Mine makes a whistle/whine when I'm opening and closing the throttle when rowing the gears. Of course theres the fuel pump, power steering, and possible belt noises. Its impossible to diagnose over the net.
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Old Aug 30, 2004 | 05:47 PM
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Check the power steering fluid level. When my car had a leak at the rack, whenever the power steering fluid would get low, it would whine similar to a supercharger.

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