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growling noise in rear

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Old 07-16-2011, 08:46 PM   #1
redandtan
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Default growling noise in rear

2006 A6 Z51 6500 miles - when I first back out of the garage it sounds like the tires (or something else) is making a growling noise. The car noise disappears after driving it a few miles. Could the super car tires be responsible for this condition or could the axles be a problem. Never did floor it from a dead stop, but not sure if the dealer or previous owner did, I am coverd by the GMPP till 2013. Any assistance would be appreciated.

BTW - This car drives absolutely great other then the above mentioned problem.
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Old 07-18-2011, 11:59 AM   #2
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Originally Posted by redandtan View Post
2006 A6 Z51 6500 miles - when I first back out of the garage it sounds like the tires (or something else) is making a growling noise. The car noise disappears after driving it a few miles. Could the super car tires be responsible for this condition or could the axles be a problem. Never did floor it from a dead stop, but not sure if the dealer or previous owner did, I am coverd by the GMPP till 2013. Any assistance would be appreciated.

BTW - This car drives absolutely great other then the above mentioned problem.
Does it do this only when turning? If so, it's most likely time to change your diff fluid. I had few in the last month with this exact problem and replacing the diff fluid cured the problem.
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Old 07-18-2011, 12:27 PM   #3
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Does it do this only when turning? If so, it's most likely time to change your diff fluid. I had few in the last month with this exact problem and replacing the diff fluid cured the problem.
Yes, only when turning. Will take it to the GM dealer for a fluid change - Thanks again.
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Old 07-18-2011, 12:34 PM   #4
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Do you use your emergency brake? sometimes the rotors get a surface rust that disappears after a few miles, and can make an awful sound. does the emergency brake cable release all the way? just in case the noise is still there....

jerry
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Old 07-18-2011, 12:43 PM   #5
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Do you use your emergency brake? sometimes the rotors get a surface rust that disappears after a few miles, and can make an awful sound. does the emergency brake cable release all the way? just in case the noise is still there....

jerry
Jerry: I do use the emergency break all the time. It releases easily, so I am not sure if the is the problem. I will have the diff fluids replaced first, then I'll check iout the EB - thanks for your reply.
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Old 07-18-2011, 01:00 PM   #6
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Just had my diff fluids changed on my 06 with 8000 miles. Made all the difference in the world. No noise!!
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Old 07-19-2011, 08:13 AM   #7
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Yes, only when turning. Will take it to the GM dealer for a fluid change - Thanks again.
Be sure dealer uses the new DEXRON LS diff fluid which is factory fill for all MY2009 and later vettes.
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Old 07-22-2011, 12:35 PM   #8
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Default Growling noise in rear

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Originally Posted by redandtan View Post
2006 A6 Z51 6500 miles - when I first back out of the garage it sounds like the tires (or something else) is making a growling noise. The car noise disappears after driving it a few miles. Any assistance would be appreciated.

BTW - This car drives absolutely great other then the above mentioned problem.
Had the diff drained this morning, additive & new diff (GM) fluid added. Took the car to a local mall and ran it in tight circles to the right and left for about 30 times each. Noise happened for a few turns then disappeared completely. Did end up a little dizzy.Thanks to all for your suggestions, the forum really works well. Thanks.
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Old 07-22-2011, 01:00 PM   #9
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Had the diff drained this morning, additive & new diff (GM) fluid added. Took the car to a local mall and ran it in tight circles to the right and left for about 30 times each. Noise happened for a few turns then disappeared completely. Did end up a little dizzy.Thanks to all for your suggestions, the forum really works well. Thanks.
I know what you mean about being dizzy! LOL
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Old 08-02-2011, 01:03 AM   #10
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thread mark.... GOT NOISE..
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Old 08-02-2011, 04:00 AM   #11
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having the same problem on my 07, will be into the dealer this week for the fluid replacement also. Strangely enough my 10 camaro ss is having the same problem and will also get the fluid changed at the same time.
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Old 08-02-2011, 07:39 AM   #12
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having the same problem on my 07, will be into the dealer this week for the fluid replacement also. Strangely enough my 10 camaro ss is having the same problem and will also get the fluid changed at the same time.
Don't forget to run the vette in tight circles in each direction to spread the new fluid.
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Old 08-02-2011, 09:19 AM   #13
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Don't forget to run the vette in tight circles in each direction to spread the new fluid.
I'll ENJOY changing the fluid - but I'll enjoy goosing the throttle MORE and turning numerous tight circles after the fluid change!!

WOOOHOOOOOO - Life is good! Headed to dealer today to ask about fluid.
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Old 08-02-2011, 10:43 AM   #14
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Be sure dealer uses the new DEXRON LS diff fluid which is factory fill for all MY2009 and later vettes.
The updated GM part # is 88862624 (1.9 qts) and 1032358 if you need the additive.
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Old 08-02-2011, 11:16 AM   #15
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The updated GM part # is 88862624 (1.9 qts) and 1032358 if you need the additive.
THANKS Rick - I sure would love you guys to go thru my T56!!!!!!!!!
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Old 08-02-2011, 11:45 AM   #16
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THANKS Rick - I sure would love you guys to go thru my T56!!!!!!!!!
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Old 08-02-2011, 01:22 PM   #17
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slow circles or fun ones? lol
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Old 08-02-2011, 02:02 PM   #18
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Rick see if you can tell me what this rear end noise is then? At the end of the race when I let out of the power I get a gear type of whine from the back of the car. It only happens at the track and only when I let out of the power after the run. I never hear it on the street even when I get on it. This all started when I installed my 315/35-18 Toyor TQ Proxey drag radials. The track does have a bunch of VHT track bite on it so it is pretty sticky.


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Old 08-03-2011, 04:52 AM   #19
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The updated GM part # is 88862624 (1.9 qts) and 1032358 if you need the additive.
Is this covered under the 5 year 100K Warranty my 07 is starting to do this also, The first minute that i drive it on left or right turns, If not whats the Averge cost at the dealer.
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Old 08-03-2011, 07:51 AM   #20
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That sounds like it's coming from the auto trans not the diff.

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Rick see if you can tell me what this rear end noise is then? At the end of the race when I let out of the power I get a gear type of whine from the back of the car. It only happens at the track and only when I let out of the power after the run. I never hear it on the street even when I get on it. This all started when I installed my 315/35-18 Toyor TQ Proxey drag radials. The track does have a bunch of VHT track bite on it so it is pretty sticky.


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