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Z51 Brake squeal

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Old Jan 18, 2007 | 05:53 PM
  #1  
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Default Z51 Brake squeal

I have a Z51 2005 C6 and my brakes are squealing everytime and all the time I brake. They are driving me nuts and it's embarrassing. The chevy dealer is absolutely no help and gave me a service bulletin stating "At this time it is considered a characteristic of the vehicle and there is no repair for the concern. Do not repalce the brake pads. The brake pads offered through GM SPO provide no change in material from the brake pads that were installed during assembly." This was dated 03/22/2006. I even called Chevrolet directly and they blew me off saying there is nothing that they can do, so just live with it. Does anyone else have this problem?? What can I do?? HELP!!!!!
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Old Jan 18, 2007 | 05:57 PM
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Originally Posted by Switzy
I have a Z51 2005 C6 and my brakes are squealing everytime and all the time I brake. They are driving me nuts and it's embarrassing. The chevy dealer is absolutely no help and gave me a service bulletin stating "At this time it is considered a characteristic of the vehicle and there is no repair for the concern. Do not repalce the brake pads. The brake pads offered through GM SPO provide no change in material from the brake pads that were installed during assembly." This was dated 03/22/2006. I even called Chevrolet directly and they blew me off saying there is nothing that they can do, so just live with it. Does anyone else have this problem?? What can I do?? HELP!!!!!
they told me the sam thing. then they put a tsb out and replaced them with a new type and did it for free and i had about 8000 miles
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Old Jan 18, 2007 | 06:13 PM
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Search the threads, you find your not alone.

Either live with it or go to aftermarket rotors.
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Old Jan 18, 2007 | 06:29 PM
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The Z51 high performance brake pads have a high metallic content and will squeak unless they are "bedded." Check the C6 FAQ sticky for "bedding the brakes." It works.
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Old Jan 18, 2007 | 06:35 PM
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Mine does it too, it sux.
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Old Jan 18, 2007 | 06:56 PM
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Originally Posted by LOS ANGELES PI
Search the threads, you find your not alone.

Either live with it or go to aftermarket rotors.
So you're thinking the problem is the rotors and not the calipers? If you don't mind me asking, what led you to this conclusion?
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Old Jan 18, 2007 | 07:08 PM
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Install the GM ceramic pads and your problem will be eliminated. No dust and no squeak.
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Old Jan 18, 2007 | 07:15 PM
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I replaced mine and bed them in...they still squeal.
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Old Jan 18, 2007 | 07:44 PM
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Originally Posted by Switzy
I have a Z51 2005 C6 and my brakes are squealing everytime and all the time I brake. They are driving me nuts and it's embarrassing. The chevy dealer is absolutely no help and gave me a service bulletin stating "At this time it is considered a characteristic of the vehicle and there is no repair for the concern. Do not repalce the brake pads. The brake pads offered through GM SPO provide no change in material from the brake pads that were installed during assembly." This was dated 03/22/2006. I even called Chevrolet directly and they blew me off saying there is nothing that they can do, so just live with it. Does anyone else have this problem?? What can I do?? HELP!!!!!
When did you get your '05? This is an old problem. GM issued PIC#3320A to replace the brake pads, but it expired a while ago. I had mine replaced in Sept. 2005 and it worked like a charm. I think the actual fix was to replace the '05 Z51 pads with the '06 Z51 pads. The fix worked for me, but apparently didn't work for everyone.
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Old Jan 18, 2007 | 07:58 PM
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05 Z51, 6000 miles and Zero brake squeal from day one.
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Old Jan 18, 2007 | 09:38 PM
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My 07 Z51 has started to develop the squeak about 500 miles ago, seems to be getting worse. Anyone know if brake cleaner or something can be sprayed on to try and eliminate the squeaking.

BTW it is common for performance pads to squeak, at least that's what Honda S2K owners have told me in the past.
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Old Jan 18, 2007 | 09:41 PM
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I replaced the stock Z51 pads with Hawk HPS pads and have not had a squeal since. They have less dust as well and stop better than the stock ones.
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Old Jan 18, 2007 | 09:47 PM
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Originally Posted by Switzy
I have a Z51 2005 C6 and my brakes are squealing everytime and all the time I brake. They are driving me nuts and it's embarrassing. The chevy dealer is absolutely no help and gave me a service bulletin stating "At this time it is considered a characteristic of the vehicle and there is no repair for the concern. Do not repalce the brake pads. The brake pads offered through GM SPO provide no change in material from the brake pads that were installed during assembly." This was dated 03/22/2006. I even called Chevrolet directly and they blew me off saying there is nothing that they can do, so just live with it. Does anyone else have this problem?? What can I do?? HELP!!!!!
I have 16,000 miles on the clock, around 9,000 miles the squealing completely stopped. Don't ask me how. But anyway I would change the pads to ceramic and you also lose the dust problem on the rims.. Around 120 bucks.

Last edited by welcome2try; Jan 18, 2007 at 09:49 PM.
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Old Jan 18, 2007 | 10:26 PM
  #14  
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Default Thanks for replies!

I may try the ceramic brake pads. I also like the idea of a lot less brake dust. Does the dealer carry these? What type should I buy? Thanks for all the replies. Any other comments welcome.
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Old Jan 23, 2007 | 05:41 PM
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Originally Posted by Silver05GTO
My 07 Z51 has started to develop the squeak about 500 miles ago, seems to be getting worse. Anyone know if brake cleaner or something can be sprayed on to try and eliminate the squeaking.

BTW it is common for performance pads to squeak, at least that's what Honda S2K owners have told me in the past.
I'm having a similar issue - I've got about 5k miles on my '07 Z51 and my brakes (or at least one of them) have started to squeak a bit. I only notice it when coming to slow stops with ligh tto moderate pedal pressure.

Any ideas? I'm due for an oil change within a couple of weeks, so I'll probably aske the dealer about it.
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