07-26-2013, 09:15 AM | #29 | |
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Drives: 13 ZL1#182, 85 CJ7, 16 Silverado Join Date: Nov 2011
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The first time I brought mine in that was the problem, they replaced the ring and pinion but I still had the noise, after the service bulletin proceedure it has been quiet.
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07-27-2013, 12:16 AM | #30 |
Drives: 13 ZL1 SIM, 99 Z28 Black Join Date: Feb 2013
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Light accel and decel? It is when going between on and off throttle. I think decel, but will need to pay better attention.
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07-30-2013, 04:47 PM | #31 |
I started noticing the moaning sounds recently. I've got an appt to take it in next Monday. Thanks for the info in this thread.
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07-30-2013, 05:50 PM | #32 | |
Drives: GM Vehicles Join Date: Jun 2010
Location: Michigan
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I'm happy to hear about your service appointment. Let me know if additional assistance is needed for any reason while you're at the dealership. I hope all goes well for you! Sincerely, William R. Chevrolet Customer Care
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07-30-2013, 06:09 PM | #33 |
Thank you William. I will gladly let you know if I need additional assistance.
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07-30-2013, 09:08 PM | #34 | |
Drives: GM Vehicles Join Date: Jun 2010
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I'll look forward to your contact if you do so. Kind regards, William R. Chevrolet Customer Care
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07-30-2013, 09:23 PM | #35 |
Drives: Camaro's, always have, always will. Join Date: Oct 2010
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...it's a "hard" design meant for racing, it's not designed for quiet operation, change the gear lube with the proper lubricant at or around 1,500 miles and be done with it. If the noise progressively gets worse over time you have a problem, otherwise it's doing it's job.
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07-30-2013, 09:56 PM | #36 | |
Drives: 2023 Black ZL1 Auto Join Date: Oct 2009
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07-31-2013, 11:07 PM | #37 | |
Drives: Camaro's, always have, always will. Join Date: Oct 2010
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08-01-2013, 05:56 AM | #38 | |
Drives: 2013ZL1/A6/T.BLACK Join Date: Jun 2013
Location: canada
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08-01-2013, 08:40 AM | #39 | |
Drives: 2016 SS, BLACK, MANUAL Join Date: Apr 2010
Location: pittsburgh, pa
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WELL SAID!!
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1 7/8" headers and exhaust from Stainless Works complete with nonNPP mufflers and 5"outlets, Katech ported TB, Moroso catch can, MRR M017 polished powder wheels, Eibach lowering springs, and BMR upper/ lower trailing arms and upper control arms. ZL1/1le sway bars and Magnusson Supercharger with Jannetty tune. Stay Tuned!!!......More to come. 2014 Camaro Ashen grey, 3.6, 6 speed, Vararam intake, Elite catch can, chrome wheels, and Vitesse controller. 2003 SSR red, 2016 Vette |
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08-01-2013, 11:09 AM | #40 | |
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Drives: 13 ZL1#182, 85 CJ7, 16 Silverado Join Date: Nov 2011
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I disagree, this would be understandable if they all made the same noise. Mine made the noise and now it doesn't. There are some that have never made the noise. They say the top end of the ZL1 is 184, but will all cars do 184, probably not, but they are all capable of doing 184 if everything is configured right. So you have rear ends that are quiet (everything done just right) and some that do make noise (not everything done right). Now, maybe that noise will never affect the performance or wear of the car or maybe it will. I haven't heard anyone from GM other than some Dealers saying the noise is ok. If it was ok would they have come out with a service bulletin to fix it?
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Last edited by Sven59; 08-01-2013 at 01:09 PM. |
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08-01-2013, 03:58 PM | #41 |
Whine on accel or decel is not the issue I'm experiencing. I've had most the major rear end and diff combos (10 bolts, 9-inch, S60, limited slip, trutrac, spool, etc) under an F-body since the early 90's and I've never had any of them make this noise when I turn sharply at low speed, especially backing out of the driveway. If that was normal, I don't think there would be a TSB for it.
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08-01-2013, 04:29 PM | #42 | |
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