Help! High pitched whine

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Jul 30, 2011 | 10:55 PM

sgancarz

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From: Racine WI

Help! High pitched whine

Broke the Vette out tonight and headed down the freeway. Have a high pitched whine cruising at 70 mph, 1800 rpm. If I back off, push in the clutch or take it out of gear, it goes away. Anybody experience this before?

P.S. Still didn't keep me from stomping all over a Roush Mustang though!!!!

Jul 31, 2011 | 10:35 AM

sgancarz

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From: Racine WI

Quote:

Originally Posted by sgancarz

Reposted in Tech Forum.

http://forums.corvetteforum.com/c5-t...hed-whine.html

Last edited by sgancarz; Jul 31, 2011 at 06:32 PM. Reason: Added link to topic in Tech Forum

Jul 31, 2011 | 12:05 PM

Mr. Lucky

Melting Slicks

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From: Newark, DE

St. Jude Donor '06

Check the grommeted connection on your brake booster.

Jul 31, 2011 | 12:06 PM

Blue 92

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From: Columbus Ohio

CI 3-4, 8-9-10 Veteran

St. Jude Donor '06-'08-'10

Quote:

Help! High pitched whine

Dump the girl friend.

Jul 31, 2011 | 03:04 PM

Jistari

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From: . New York

Quote:

Originally Posted by Blue 92

Dump the girl friend.

You had to go there Blue ?

Well, since the door is open . . .I was gonna say

Install an ejection seat ?

Jul 31, 2011 | 03:42 PM

Blue 92

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From: Columbus Ohio

CI 3-4, 8-9-10 Veteran

St. Jude Donor '06-'08-'10

Quote:

Originally Posted by Jistari

. . .I was gonna say

Install an ejection seat ?

Jul 31, 2011 | 04:59 PM

sgancarz

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From: Racine WI

Quote:

Originally Posted by Jistari

You had to go there Blue ?

Well, since the door is open . . .I was gonna say

Install an ejection seat ?

Good one guys. Real original.

Unfortunately doesn't address the real problem!

Jul 31, 2011 | 06:22 PM

jrose7004

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From: Oklahoma City OK

C6 of Year Finalist (appearance mods) 2019

http://forums.corvetteforum.com/c5-t...hed-whine.html

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Jul 31, 2011 | 07:32 PM

Jistari

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From: . New York

Sorry SGA, but it does push it to the top of the stack, so you get your answer, if that helps

Jul 31, 2011 | 08:20 PM

#10

SCM_Crash

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From: Los Angeles California

Do you know if the sound is coming from the center console area or the back of the car? And does the sound fade in and out or is it nearly immediate when it starts and stops? Does the sound make the same noise in any gear at that RPM or can you be in any gear at 70MPH and hear that sound?

Jul 31, 2011 | 08:22 PM

#11

SCM_Crash

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From: Los Angeles California

NM... I see you've got an idea of what it is in the tech thread.

Jul 31, 2011 | 08:25 PM

#12

sgancarz

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From: Racine WI

Quote:

Originally Posted by SCM_Crash

NM... I see you've got an idea of what it is in the tech thread.

Yeah, still not 100% sure of the cause though. Any other ideas?

Jul 31, 2011 | 08:29 PM

#13

SCM_Crash

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From: Los Angeles California

Diff is the only thing I can think of. You may want to get the car up on a lift and make sure there's no leaks in the diff and make sure it's still got plenty of fluid.

Jul 31, 2011 | 08:37 PM

#14

sgancarz

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From: Racine WI

Quote:

Originally Posted by SCM_Crash

Diff is the only thing I can think of. You may want to get the car up on a lift and make sure there's no leaks in the diff and make sure it's still got plenty of fluid.

Didn't check the fluid personally, but got a good look underneath when I had the engine oil changed. Everything was very clean underneath. Also no spots on the garage floor. It's just strange that it just started out of nowhere. Wasn't making any noise last time I drove it. Is there anything in the diff that could slip and change the alignment of the gears?

I once had a Miata that the nut holding the yoke on the pinion started backing off. Never even thought to look at that. Ended up wiping out the whole rear end. Not sure if that is a possibility with these differentials.

Last edited by sgancarz; Jul 31, 2011 at 10:15 PM.

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