Question for Audi Racers: Jet, Tsle, Spinnetti, Neo and others...
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Joined: Jun 2003
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Question for Audi Racers: Jet, Tsle, Spinnetti, Neo and others...
Hey guys,
I was testing the AP Racing brakes today (much more on that later) and while applying full braking force from 100-110mph down to 15mph I noticed a sound of road debris, little chunks of rubber, or brake pad rotor chunklets, hitting against the wheel wells. It is the same sound I am familar with when making hi-speed 90 degree turns and you hear the track debris (chunks of rubber) hitting all up in your wheel wells. I immediately thought it was my rubbing issue, but the car was braking in a straight line. So I pit the car and inspect the tires and find no evidence of rubbing on the inside or out. The track barely had any debris on it since we were just using it for an hour and there were only a couple people. The only thing I can think of was that it was little chunks of brake pad? The carbotechs are ceramic and never broke down under heavy braking, but the current pads on the car are basically stock pads. When I looked at the grooves on the rotors, they were packed with pad material. Otherwise the pads look fine and there is not detriment to braking. What do you guys think? Thanks...cheers! Mike
I was testing the AP Racing brakes today (much more on that later) and while applying full braking force from 100-110mph down to 15mph I noticed a sound of road debris, little chunks of rubber, or brake pad rotor chunklets, hitting against the wheel wells. It is the same sound I am familar with when making hi-speed 90 degree turns and you hear the track debris (chunks of rubber) hitting all up in your wheel wells. I immediately thought it was my rubbing issue, but the car was braking in a straight line. So I pit the car and inspect the tires and find no evidence of rubbing on the inside or out. The track barely had any debris on it since we were just using it for an hour and there were only a couple people. The only thing I can think of was that it was little chunks of brake pad? The carbotechs are ceramic and never broke down under heavy braking, but the current pads on the car are basically stock pads. When I looked at the grooves on the rotors, they were packed with pad material. Otherwise the pads look fine and there is not detriment to braking. What do you guys think? Thanks...cheers! Mike
AudiWorld Super User
Joined: Mar 2002
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From: Washington, DC
Mike, that's quite odd- I don't think I've ever experienced something like that. Have you taken a
close look at the pads themselves, especially the edges? I know my old stock S4 pads eventually got pretty chunky after a hard track workout, but I certainly never heard any sound like that. Maybe take the pads out and have a look? Post pics if you do. That's pretty strange. Good luck and keep me posted!
Junior Member
Joined: Sep 2003
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sounds weird....
I had something somewhat simialr happen. About two years ago I somehow got debris stuck on one rotor and it made a horrible noise while braking. It scared the heck out of me at 280km/h. But it did not make the sound you were describing. If that noise would have been from the pads melting away I would assume there would be clear evidence on the pads themselves and braking performance should be affected also(You already know that anyways)...Keep us updated if you find out
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AudiWorld Senior Member
Joined: Nov 2001
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Yeah, that does sound quite strange. I've experienced that before, but only at the track...
the few times its happened, it's quite apparent. Like Tsle said, the only thing I can think of is to look at the edges of hte pad... other than that.. I'm at a loss also? Did you contact AP Racing about it?
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