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Pictured are my 30K mile, 5 yr old disks off my Suburban. Really bad shudder when braking and it wasn't the front as I thought. These are Bosch disks, rears were replaced under warranty 5 years ago from the same 2yr old disks failing the same way, purchased 2 years earlier, had the fronts turned at the same time. They lasted 5 years, but with the voids in the casting, that is not good. Even the fronts have little voids, but nothing like the rears. Even with life time warranty, I bought new Power Stop disks and pads, so more cheese, but time will tell. I really like EBC disks and pads for my daily driver, but the price difference persuaded me this route. On my other daily driver with the EBC, I never experienced the voids either. Never had an issue with the Vette AP Racing disks, they just wear out, no voids, thank goodness and shows you get what you pay for. So watch out for those cheezy (Chinese) disks.
The ones pictured are from O'Reilly's, Bosch brand, I thought it would be better than the house brand, but apparently not. The new Power Stop from Rock Auto.
Last edited by punz; Mar 15, 2021 at 08:52 PM.
Reason: added sentence
glad you are careful about your safety equipment, and the info is valuable . I never would have thought a name brand part, like Bosch, would be so markedly inferior. I never have seen wear patterns like that, and am glad it didn't get serious.
I once knew a guy who lived in San Francisco, who, as a matter of principle, got his brakes done every year, no matter if needed or not. I think , apart from the terrain he frequented , he wanted to avoid any possible legal exposure because he supported himself by selling pot seasonally . Said he had seen too many brake failure accidents around town, so a once yearly service was his response.
You're talking the patchy pad surface is voids? I've had that happen on a number of different rotors on different daily drivers. I'm pretty sure the pads cause it to happen, not the rotors. I switched from cheap ceramic pads to aggressive heavy duty metallic pads and it stopped happening. Kept using the same cheap rotors.
You're talking the patchy pad surface is voids? I've had that happen on a number of different rotors on different daily drivers. I'm pretty sure the pads cause it to happen, not the rotors. I switched from cheap ceramic pads to aggressive heavy duty metallic pads and it stopped happening. Kept using the same cheap rotors.
They were semi-metallic pads, the disks actually chewed up the pads. I don't use ceramic pads, at least not yet. Just cheap castings with voids. If these power stops don't work out, back to EBC disks. Usually the disks get thrown out because you can't them turned anymore because they're too thin.
cheezy brake disks
