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Old 11-22-2011, 10:12 am   #1
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'04 C5 Z06--93K, 10k/year car, driven frequently year round but a garage queen.

About every third drive or so, I notice a dark ring directly in the center of all four brake rotors, about one inch wide. Some of the ring is soft enough to be wiped off but some of it is more difficult. Take another drive and often the rings disappear. Brakes seem fine but betting they are original, I'm third owner.

Suggestions??

Ken
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Old 11-22-2011, 02:14 pm   #2
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HI there,

Im thinking its just brake pad material transfer to the brake rotor.

And not something to concern yourself with.

Allthebest, c4c5
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Old 11-22-2011, 02:19 pm   #3
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Thanks, hoped I'd hear from you. I follow your guidance to the letter and my car is much better for it.

Ken
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Old 11-23-2011, 05:39 am   #4
 
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Quote:
Originally Posted by rocket8189 View Post
Thanks, hoped I'd hear from you. I follow your guidance to the letter and my car is much better for it.

Ken
yep me too
Ken
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Old 12-19-2011, 11:05 am   #5
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Is the darker strip on the inside swept surface too?
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Old 12-22-2011, 10:59 am   #6
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Haven't check but will. Ring has disappeared.

What are you thinking?
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