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View Poll Results: Harmonic balancer failure poll
I have not experienced a problem
536
64.81%
I think I have a problem now
70
8.46%
I have replaced it once
132
15.96%
I have replaced it twice or more
22
2.66%
I have replaced it, but decided not to use a GM part and went for an aftermarket unit
67
8.10%
Voters: 827. You may not vote on this poll

Harmonic balancer failure poll

Old 12-07-2018, 11:08 AM
  #261  
windyC6
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This may have already been mentioned....but I think one of the options to answer should have been...."Has been wobbling for 10 years and hasn't gotten any worse"......
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Old 12-07-2018, 11:42 AM
  #262  
gtmalone
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'07 A6, stock engine. Original owner replaced it about 11K. I had it replaced again a little over 14K (second day of ownership) plus the crank bolt was loose.

Last edited by gtmalone; 12-07-2018 at 11:43 AM.
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Old 12-07-2018, 12:59 PM
  #263  
BackInBlack05
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Originally Posted by tsmart View Post
10 base. 19000 miles. Replaced. Numbers illustrate 22% failure, that is huge.
These kind of polls are statistically useless. They attract those who have had issues vs. those who haven't. Few jump on the internet to give raves vs. complain.
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Old 12-07-2018, 01:40 PM
  #264  
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My understanding is the HB wobble and loose bolt issue affects 2005 C6ís below serial numbers 11044 .
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Old 12-07-2018, 04:10 PM
  #265  
EVRose
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Originally Posted by PilotmyC6 View Post
My understanding is the HB wobble and loose bolt issue affects 2005 C6ís below serial numbers 11044 .
Only the loose bolt issue. Not the wobble. That can happen on any year.
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Old 12-07-2018, 04:24 PM
  #266  
Tom_Slick
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'06 A6 replaced at 45K miles...
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Old 12-07-2018, 05:41 PM
  #267  
TucoTom
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2007 Convertible w/ 25,200 miles. Harmonic Balancer still okay.
The good thing about the threads concerning the balancer issue is that they made me aware of the problem.
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Old 12-07-2018, 05:53 PM
  #268  
Welker1
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A little over 12 years and almost 100K miles, have not had an issue (yet) .. knock on wood
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Old 12-08-2018, 11:06 AM
  #269  
JoeMatilda
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07 M6 - Original owner replaced it at anout 17k. No additional issues.
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Old 12-08-2018, 12:16 PM
  #270  
ErikR
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A few years ago, I bought a used 07 with 36,000 miles on it. I replaced the balancer a couple of months later.
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Old Yesterday, 01:58 AM
  #271  
owc6
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I'm afraid to answer. Knock wood, but:

350,000 miles on C6s with no HB issues.
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Old Yesterday, 10:24 AM
  #272  
Mike Green9
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Did you say 350,000 miles? Any major power train work?

Totally awesome.

M...
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Old Yesterday, 10:46 AM
  #273  
owc6
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Originally Posted by Mike Green9 View Post
Did you say 350,000 miles? Any major power train work?

Totally awesome.

M...
The total miles for each of the three cars is in my sig. The '05 has an LS3 in it (replaced at 170,000 mi.) and a new tranny done only a few miles ago. The Z06 was perfect, and the '08 has only a few gaskets replaced due to the previous owners lack of driving.
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Old Yesterday, 05:22 PM
  #274  
Jack Forbes
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Default Balancer

Replaced at 30.000 did not use oem
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Old Yesterday, 07:39 PM
  #275  
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‘05 A4 replaced at 175K, now with 215K and no other drivetrain issues.
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