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Scott Clark · Posted: Wed Feb 03, 2010 12:20 pm Post subject: Chipped Brake Rotors?

There was some discussion in the "Pre Tech" Topic about teching chips in brake rotors. I know we don't want chips in brake rotors, but they get there. So my question is how big does a chip or crack need to be to fail Tech? Is there a diminision or gage that can be used to determine this? I read through the 2009 rules and couldn't find anything specific?

Sad

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Mike31 · Master Joined: 26 Nov 2006 Posts: 527 Location: KY

Is the danger of chipped brake rotors only for the corner worker or is there a concern for brake failure?

To be more specific if you had a brake rotor that had 2 large chips in it and the rotor had been in this condition for 4 seasons would you have concern for failure if it had lasted this long and the chips did not increase?

At what point does the chip go from cosmetic to possible failure?

Where again in the WKA Tech book does it address chipped rotors?

Thanks,

Mike
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John Horn · Master Joined: 29 Nov 2006 Posts: 1159 Location: Troy Ohio

I don't think it addresses chipped brake rotors at all...matter of fact, I know it doesn't.

I believe that it falls under the sharp protruding object category????

patrick slattery · Master Joined: 01 Dec 2006 Posts: 1332

Its not in the WKA manual.

Common sense again, if you have a small chip file it down and you should be al right. If you have a fracture line in the rotor, that, in my opinion should be replaced.

Pat
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Jean Stafford · Posted: Thu Feb 04, 2010 9:05 am Post subject:

Well, here's my $10.00 worth. (2 cents adjusted for inflation.)

If the disk is flaking, that is losing material from the rotor face, it's likely a result of poor casting on the manufacturers part. This, to me, means that the whole rotor is in question, and I'd replace it.

If the chip is a result of contact with the track, then I'd do as Pat suggests. Just be sure to check carefully for cracks radiating from the center out. They spell disaster.

Unless the "Chip" is big enough to allow the pad to "shimmy", when the brakes are applied, and can't possibly catch the rotor, you could get by, for a while.

Remember, Safety First.
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