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Everybody PLEASE HELP with c5 Problem!!!!!!

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Old Jun 5, 2005 | 02:08 PM
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Default UPDATE----Everybody PLEASE HELP with c5 Problem!!!!!!

Yesterday on my way home from work I noticed a horrible whining sound. It starts about 50-55 mph and stays there all the way up from there. The sound will Stop if I take my foot off of the gas! It almost sounds like a siren (without the getting louder and quiter motion of a siren---just 1 continuous sound).

I have never ever heard this sound in any car I have ever driven and it JUST started yesterday.

My car is a Automatic 2001 Corvette with 46,000 miles on it. I think I am going to be VERY glad I have extended warranty!!!!!

With this sound there are NO check engine lights, no messages in DIC, car runs and drives fine.

THANKS IN ADVANCE TO ALL!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Last edited by JameyTurner; Jun 10, 2005 at 08:30 PM. Reason: update
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Old Jun 5, 2005 | 02:11 PM
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Most whinning sounds i've heard of are from the rear diff going bad.
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Old Jun 5, 2005 | 02:11 PM
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Belt maybe? If its not throwing any codes, then that would be a likely suspect. Sounds almost like bearings going out but I would check the belts, especially since the whine increases as you stomp on it. ALso, I would check out the Tech section as well and see if someone can help.
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Old Jun 5, 2005 | 02:15 PM
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Also, it does NOT do it if I put in Park or N and rev up a little. It is ONLY heard when in gear and foot on gas. No matter what the speed, as soon as I take foot off of gas, whining will stop!
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Old Jun 5, 2005 | 02:16 PM
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Sounds like the rear diff to me.
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Old Jun 5, 2005 | 02:25 PM
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do you notice more power? Someone that likes you might of snuck a supercharger in your car! But all kidding aside, it might be your diff.. although I thought there would be other symptoms.. anywho you have the extended warranty, so I cracked a joke in the beginning on my post.. Hope you get it worked out.. make an appointment to the stealer and have whatever is wrong fixed for FREE!
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Old Jun 5, 2005 | 02:27 PM
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Well I work at a chevy dealership so it should not be a problem getting fixed. Funny b/c car will be in shop anyway tomorrow getting LOOSE driver seat fixed under warranty!!!! Never thought that was going to happen.
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Old Jun 5, 2005 | 02:28 PM
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Also, is it going to hurt anything driving car before taking in to shop?
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Old Jun 5, 2005 | 02:29 PM
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My first guess is the diff.
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Old Jun 5, 2005 | 02:30 PM
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Originally Posted by Antvette
Most whinning sounds i've heard of are from the rear diff going bad.
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Old Jun 5, 2005 | 02:32 PM
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Originally Posted by JameyTurner
Well I work at a chevy dealership so it should not be a problem getting fixed. Funny b/c car will be in shop anyway tomorrow getting LOOSE driver seat fixed under warranty!!!! Never thought that was going to happen.
He works at a dealership. That's why he is asking here. He would like a correct answer!
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Old Jun 5, 2005 | 02:48 PM
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Originally Posted by JameyTurner
Also, it does NOT do it if I put in Park or N and rev up a little. It is ONLY heard when in gear and foot on gas. ..!
Does that go for Reverse as well?

..rickko..
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Old Jun 5, 2005 | 02:52 PM
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An 01 w/ 46k can have a bad rear diff? .. Is that common?
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Old Jun 5, 2005 | 03:06 PM
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We actually have a pretty darn good service dept.......but nothing can ever beat what you guys and girls here experience 1st hand with problems and solutions to those problems.

I can't believe that the original factory rear diff would go with only 46,000 miles. And only been to the track 2 times & never any slicks or drag radials on it.

M6 come with 3.42's correct? I am going to try and talk service advisor into "Accidently" order the wrong part # :o)

Will keep all updated....will know something tomorrow. Also, I get to keep all parts removed from car under warranty. So, somebody may want old rear diff to rebuild.
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Old Jun 5, 2005 | 03:07 PM
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Heres a tip.. accidentally order the z06 rear diff
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Old Jun 5, 2005 | 03:07 PM
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No noise in reverse...............BUT can't say that I have driven 50mph in reverse either.....
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Old Jun 5, 2005 | 04:22 PM
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any more input..anybody?
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To Everybody PLEASE HELP with c5 Problem!!!!!!

Old Jun 5, 2005 | 04:37 PM
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Where's your cat?
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Old Jun 5, 2005 | 04:47 PM
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Originally Posted by JameyTurner
It is ONLY heard when in gear and foot on gas. No matter what the speed, as soon as I take foot off of gas, whining will stop!
It's your rearend gears. Have you been using your foot brake while doing burnouts? I did, and my rearend is whining terrible.
It won't hurt it to drive it as long as you need to, the whine will just drive you crazy!

Good luck!
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Old Jun 5, 2005 | 05:34 PM
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Originally Posted by CCMC5
Sounds like the rear diff to me.
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