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 Post subject: Little cracks in front brake discs
PostPosted: Tue May 21, 2002 10:28 am 
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Hi folks,
last weekend I spotted lots of little cracks on both the front brake disks of my Camaro Z28 (LS1).
There are about 30-40 cracks in radial orientation, between 5 to 10mm long, depth: who knows?
The car has covered 26000km, the pads are good for another 5000km, the discs show hardly any wear, no scratches or grooves.
Have you also faced this problem?
Should I change the discs?

Last month the car was for inspection, but the garage staff did not mention anything.

Cheers!
Gunnar

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Until November 2004 I had a:
Red 99 Camaro Z28 Euro-Model, M6, T-Top, Movit/ Porsche GT3 front brakes, Alutec Kyro 8,5x19" wheels, Geiger (H&R) springs, oil intercooler, Dynomax twin exhaust,
BUT THAN I MADE A MESS OF IT and now its gone!


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 Post subject:
PostPosted: Tue May 21, 2002 11:45 am 
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They are junk I am on my 4th set. However this time I upgraded to BEAR rotors.


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 Post subject:
PostPosted: Tue May 21, 2002 11:52 am 
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Location: Mehlingen,Rhineland Pfalz, Deutschland
http://www.geocities.com/wbna0149/p6200013.jpg
http://www.geocities.com/wbna0149/scheibe1.jpg

http://www.geocities.com/wbna0149/scheibe2.jpg

http://www.geocities.com/wbna0149/scheibe3.jpg

http://www.geocities.com/wbna0149/scheibe4.jpg

http://www.geocities.com/wbna0149/scheibe6.jpg

http://www.geocities.com/wbna0149/scheibe5.jpg

You 'll notice from these pictures that the radial cracks are only on the outboard rotor only. The inboard rotor is crack free. Also if the cracks are only superficial thenit is not too much of a concerne. But if you have any vibrations or thecracks go alll the way through or the cracks make it to the end of the rotor then it is history.

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 Post subject:
PostPosted: Tue May 21, 2002 12:24 pm 
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Thanx Roy,
I will check the inside of the vented front discs.
Unfortunately your links do not work. All of them.

The cracks are still small, situated on the outer third of the discs, but all around.

There is no unusual vibration. The car brakes okay.

Gunnar

_________________
Until November 2004 I had a:
Red 99 Camaro Z28 Euro-Model, M6, T-Top, Movit/ Porsche GT3 front brakes, Alutec Kyro 8,5x19" wheels, Geiger (H&R) springs, oil intercooler, Dynomax twin exhaust,
BUT THAN I MADE A MESS OF IT and now its gone!


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 Post subject:
PostPosted: Tue May 21, 2002 12:27 pm 
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Gunnar:

I also have these cracks (car has about 18000 km) and was worried about it but as Roy says, if they are superficial it shouldn't be a problem.

Ben

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1999 Camaro Z28, black, T-Tops, M6
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 Post subject:
PostPosted: Tue May 21, 2002 12:56 pm 
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Sorry Roy,
after copying the paths to a word document, the links worked!
The cracks on my brake discs do not look as dramatic as yours did. Mine are equally distributed all around and do not touch the outer edge.
But Ben, who knows whether the cracks are really superficial only??
A question to Ben and Hawk:
Have you tried to get the discs exchanged and let Chevrolet pay??

I will contact my dealer (Kiffe in Münster, funny name in connection with the word "dealer"!!)

Gunnar

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Until November 2004 I had a:
Red 99 Camaro Z28 Euro-Model, M6, T-Top, Movit/ Porsche GT3 front brakes, Alutec Kyro 8,5x19" wheels, Geiger (H&R) springs, oil intercooler, Dynomax twin exhaust,
BUT THAN I MADE A MESS OF IT and now its gone!


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 Post subject: bRAKES ;-(
PostPosted: Tue May 21, 2002 1:39 pm 
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Location: Vilnius/ Munich / Dubai
I had mine go bumpy at around 16.000 km.

Went to GM, said warranty, that´s it.

No hassle, a new set was in a few days later and these seem to hold (up till now)

I´ll opt for those bears, too. (Hawk, i´m short on dough at the moment, keep em pls.)

Ram

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 Post subject:
PostPosted: Tue May 21, 2002 3:29 pm 
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I had three free sets and have the same problem after someone pulls out in front of me and I do a oh sh!+ stop. Then they start the shaking game and I am sick of replacing brakes and rotors. The Stock rotors can not handle the vehicle speed capability.


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 Post subject: Right.
PostPosted: Tue May 21, 2002 6:20 pm 
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.. though my new set seems to hold and hold.

Hawk, you know my driving style, especially A-Bahn :-)

The new set is from the 2001 model (at least the local Opel nerd says so) - they look different from the old ones and seem to be better. Still - more stopping power would do the car good.

R@M

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~ Memories are the only paradise where you can NOT get kicked out ~

Well, I ran out of F-Bodies - till 2010 - if there still is GM

Got boost?


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 Post subject:
PostPosted: Tue May 21, 2002 7:57 pm 
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I've beat the livin' shi* outa my Power Slot rotors and they are holding up really well so far. bout 12k on them so far. They are heat treated or something ... to resist wear and warpage.

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 Post subject:
PostPosted: Wed May 22, 2002 11:18 am 
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Quote:
But Ben, who knows whether the cracks are really superficial only??
A question to Ben and Hawk:
Have you tried to get the discs exchanged and let Chevrolet pay??

I don't know if they really are, it's just that Roy told me before as he told you now. :)

No, I haven't tried to get them exchanged as I didn't have any problems with the brakes except of the small cracks. I drive on the Nuerburgring now and then, and have not yet realized any problem (however, I make a break after every lap). Have you looked in the German Service/Warranty Manual? On the one hand it says everything is covered except tires, on the other hand that (e.g.) brakes/brake pads/rotors are NOT covered.

Ben

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1999 Camaro Z28, black, T-Tops, M6
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 Post subject:
PostPosted: Wed May 22, 2002 11:46 am 
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Well
Herr Kops will replace if the rotors pulsate.

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 Post subject:
PostPosted: Sat May 25, 2002 9:51 pm 
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Hi folks,
Chevrolet offered 50% cost reduction for the disc replacement. From Geiger Performance in Munich I learned that with 2001 model year so-called Heavy Duty discs became standard. I know the part numbers so the Opel mechanics can order the right parts.

The Movit brakes must wait!

Cheers!
Gunnar

_________________
Until November 2004 I had a:
Red 99 Camaro Z28 Euro-Model, M6, T-Top, Movit/ Porsche GT3 front brakes, Alutec Kyro 8,5x19" wheels, Geiger (H&R) springs, oil intercooler, Dynomax twin exhaust,
BUT THAN I MADE A MESS OF IT and now its gone!


Top
 

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