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V8 and V6 Transmissions / Driveline (6L80 / 6L50 / TR6060 / AY6) Driveshafts | Differentials | Gears | Rearends | Clutch | Shifters

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Old 08-27-2009, 04:58 PM   #1
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Driveline noise/clunking

Hey, Experiencing clunking sound when I unload clutch at lo speeds.
Would like to know if anyone else has found this to be an issue.

Thanks
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Old 08-27-2009, 06:34 PM   #2
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There is a post about this already. Normal operating characteristic with the independent rear suspension.

http://www.camaro5.com/forums/showth...ighlight=clunk


"Well from your description it sounds like you're lugging the car a bit when shifting (which actually is normal since these cars are designed to be skip shifted and lugged in the next gear). If you take the revs up a little higher you'll notice that the clunk goes away.

The clunk is the slack in the driveline. Because of the IRS, you now have 2 extra U joints that will "slack" when you press the clutch in to shift and then when you begin to let the clutch back out, that "slack" is drawn back up quickly. It's very normal for IRS cars.

But if you're concerned, by all means, take the car into the dealer and have her looked at. "
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Old 08-31-2009, 10:23 AM   #3
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I hear the sound you are refering to also. Sounds like the front u-joint or the output shaft area, only happens when shifts are a little sloppy, but it makes me wonder.
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Old 08-31-2009, 10:57 PM   #4
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I have it too, but chalk it up to piss poor shifting ability...on my part. It only happens at low speeds.
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Old 08-31-2009, 11:00 PM   #5
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While i was installing the exhaust I noticed that there was a bolt loose on the transmission mount. Take a look. There should be 2bolts I beleive its a 15 mm
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Old 08-31-2009, 11:05 PM   #6
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Quote:
Originally Posted by rharon View Post
While i was installing the exhaust I noticed that there was a bolt loose on the transmission mount. Take a look. There should be 2bolts I beleive its a 15 mm
Nice- I'll check that.
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Old 10-09-2009, 07:20 PM   #7
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The rear driveshaft needs a spacer, GM's gonna release a fix for it within the next week or two. Nothing you can do about it but wait trust me.
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Old 10-09-2009, 07:40 PM   #8
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The rear drive shaft needs a spacer, Gem's gonna release a fix for it within the next week or two. Nothing you can do about it but wait trust me.
When I was in Oshawa for the meet & greet, we had a tour in the Martinrea plant ( suspension manufacturer ). The gentleman who was giving us the tour mentioned that there was some type of washer added to the drive shafts to eliminate the drive line noise....
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Old 10-09-2009, 07:46 PM   #9
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Quote:
Originally Posted by Dboy23 View Post
The rear driveshaft needs a spacer, GM's gonna release a fix for it within the next week or two. Nothing you can do about it but wait trust me.
Wow that is great news the clunking sound from my drive train drives me nuts,I have driven many manual cars including vettes and have never heard sounds like this.
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Old 10-09-2009, 08:09 PM   #10
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i got the same problem but never researched it. so its normal?
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Old 10-10-2009, 06:39 PM   #11
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yeah, i have the same thing--just posted in another thread. only at very low speeds when disengaging the clutch sometimes into neutral. glad to hear it's not a clutch issue.
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Old 12-17-2009, 09:14 AM   #12
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Quote:
Originally Posted by Dboy23 View Post
The rear driveshaft needs a spacer, GM's gonna release a fix for it within the next week or two. Nothing you can do about it but wait trust me.
Is there any update for a possible driveshaft spacer? If something is avaialble has anyone tried it?
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Old 12-17-2009, 11:35 AM   #13
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mine does this really bad when i'm in reverse, i back it up 10-15 feet out of my garage and push the clutch in all i hear is clank clank clank, then it stops, hardly ever does it going through the gears, but every now and again i hear it. any help????
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Old 12-17-2009, 02:28 PM   #14
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Quote:
Originally Posted by slacker View Post
I have it too, but chalk it up to piss poor shifting ability...on my part. It only happens at low speeds.


When I shift perfectly it doesnt happen.
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Old 12-18-2009, 07:49 AM   #15
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the thing with mine guys, yes with poor driving it does it, but it also does it in REVERSE!!, i'll be backing up and when i push the clutch in to put it to neutral or first it makes a clack clack clack sound
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Old 12-21-2009, 11:39 PM   #16
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WHEW! thank god i read this because i was bout to go to gm and sit there and wait for my car to be inspected to make sure my car was fine! I have heard that damn sound too! it only does it in first and second but not that often. Yall are right too only at low speeds.
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Old 12-22-2009, 01:03 AM   #17
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what ever happened to the fix GM was supposed to release
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Old 08-23-2012, 02:02 PM   #18
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Can anyone confirm if the spacer fix was released by GM at all? If not, can anyone suggest a DIY or an aftermarket part to get this resolved?

Sorry to pull this thread out of the graveyard, but I have a 2012 Camaro LS M6 that has the exact same issue.

The noise is driving me crazy. It's true that if you shift at slightly higher RPM's, the noise goes away, however, if you do pull the gear to Neutral from 2nd or 1st, the rattle is present 70% of the time.
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Old 08-23-2012, 05:00 PM   #19
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Quote:
Originally Posted by Dboy23 View Post
The rear driveshaft needs a spacer, GM's gonna release a fix for it within the next week or two. Nothing you can do about it but wait trust me.

whats the spacer supposed to do ?
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Old 08-23-2012, 06:07 PM   #20
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Sounds like the movement of the whole powertrain not the driveshaft.. Are they thinking if the driveshaft is a little longer and tighter wedged in there its going to hold the powertrain tighter? If thats their engineering thought we're wayyyyy far from having nicely built GM cars from the factory.. thats not even a bandaid for the wound.. thats just a Duct tape and bailing wire hillbilly fix.
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