09-05-2012, 08:32 PM | #1 |
Drives: 2023 Black ZL1 Auto Join Date: Oct 2009
Location: FEMA Region 4
Posts: 2,936
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Rear end noise
Anybody else noticing rear end gear whine? I thought mine was initially tire noise, but on decelleration from 50ish down to low 40 MPH I'm noticing a whining sound that goes away when I give it gas. So I'm pretty sure omit isn't tires. I really hate to take it in for this, but it's in a speed range that I'm driving in constantly.
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09-05-2012, 08:46 PM | #2 |
Drives: 2012 ZL1 - #670 Join Date: Jun 2009
Location: Seminole, Fl.
Posts: 8,009
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Haven't noticed anything here ...
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09-05-2012, 08:50 PM | #3 |
Drives: '21 ZLE A10 Join Date: May 2012
Location: Mechanicsville, VA
Posts: 6,815
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my rear makes some noise...it definitely isn't silent.
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09-05-2012, 08:52 PM | #4 |
Drives: 2012 ZL1 #450 Join Date: Nov 2011
Location: Big Spring, TX
Posts: 479
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Cant hear mine over the sound of the exhaust.
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09-05-2012, 08:54 PM | #5 |
Drives: 2015 ZO6 3LZ Stage 2 A8 Join Date: Nov 2010
Location: La plata MD
Posts: 2,299
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Use Lucas non synthetic gear oil 85w 140.... Problem fixed...
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09-05-2012, 09:18 PM | #6 |
Drives: 2012 Camaro ZL1 - #1564 Join Date: Jun 2010
Location: York, PA
Posts: 250
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Mine is actually the opposite. I have noticed if I am cruising around 70 in 6th gear at light throttle to just keep speed; there is a high pitch whine from the rear. If you roll into the throttle harder or let off, it disappears. It is actually rather annoying cruising down the highway. My '10 SS did not do this at all.
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09-05-2012, 09:32 PM | #7 |
ANGRY Z
Drives: 2015 Camaro ZL1 Join Date: May 2012
Location: Alberta, Canada
Posts: 1,406
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I used to always worry about drivetrain " noises ". Actually to the point where I couldn't sleep. Is it normal? Is something coming apart? Did I get a lemon? When I got my zl1 I told myself I'm not going to worry I'm just going to enjoy it. All I hear is screaming engine, screeching tires and an awesome exhaust note. As long as nothing is leaking or falling off I'm just going to drive it.
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09-05-2012, 11:01 PM | #8 |
Drives: 1970 chevelle Join Date: Aug 2011
Location: Central NH
Posts: 1,427
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have you changed the gear oil yet? what mileage are you at? mine does it and my dads did it both very faint we changed his gear oil at 1400 miles and i only drove the car about 5 miles after i did the change but i did not notice it. I will pay more attention with mine when I change the oil but I am only at 711 miles will change around 1400 to 1500 miles but it is very very faint right now
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09-06-2012, 03:13 AM | #9 |
Drives: 2023 Black ZL1 Auto Join Date: Oct 2009
Location: FEMA Region 4
Posts: 2,936
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I had the fluid changed at 1000 miles and I don't think it changed the noise. I used the GM fluid. I've been pretty easy on the car during the breakin period.
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09-06-2012, 06:28 AM | #10 |
Drives: 2012 ZL1, 00016 Join Date: Jan 2012
Location: Whitesville, NY
Posts: 265
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I didn't follow the break in to the T, but I haven't nioticed any noise
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09-06-2012, 08:03 AM | #11 | |
Drives: 2016 1SS Hyper Blue 6M MRC NPP Join Date: Mar 2009
Location: Frederick, MD
Posts: 125
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Quote:
Followed the break in with both cars and the noise did not go away after changing the rear end diff fluid. Gary |
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09-06-2012, 08:31 AM | #12 |
Drives: GM Vehicles Join Date: Jun 2010
Location: Michigan
Posts: 9,328
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Have you taken it to a dealership for a proper diagnosis? Please let us know.
Brandon Chevrolet Customer Service
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09-06-2012, 08:48 AM | #13 |
Drives: 2002 Pontiac GP 40th GTP, 2012 ZL-1 Join Date: Dec 2011
Location: CT
Posts: 172
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I hear differential noise when at a constant speed. It sound like gear whine. Not to concerned, it under warrantee. Otherwise car runs and feels fine.
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09-06-2012, 09:00 AM | #14 |
Drives: 2023 Black ZL1 Auto Join Date: Oct 2009
Location: FEMA Region 4
Posts: 2,936
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