cobra_280z Posted October 10, 2007 Share Posted October 10, 2007 So I removed my front calipers today to rebuild them, as the car was pulling right under braking (I assumed my right brakes were clamping harder). Alas, when i removed the left caliper, I saw a groove about .3cm deep and .5 cm wide in the rotor and both pads. This explains why my brakes were acting weird, but what could have caused it? My pads have plenty of wear left in them. It looks to me as if the pad clip was scraping on the rotor, but what would explain the groove on both pads? On the bright side, the right brakes looked great. thanks. Quote Link to comment Share on other sites More sharing options...
blueovalz Posted October 10, 2007 Share Posted October 10, 2007 What set-up are you using (OEM, aftermarket, what size, etc?) Quote Link to comment Share on other sites More sharing options...
cobra_280z Posted October 10, 2007 Author Share Posted October 10, 2007 the brakes are all stock setup on 81 280zx. the pads have been replaced within the year, and the rotors are fairly new. Quote Link to comment Share on other sites More sharing options...
johnc Posted October 10, 2007 Share Posted October 10, 2007 Usally its a hard spot in the pad material or a piece of debris that got caught up in the pad. If you got the front brakes really hot or used them hard right after pad repalcement that can also cause the problem. Quote Link to comment Share on other sites More sharing options...
cobra_280z Posted October 10, 2007 Author Share Posted October 10, 2007 I had initially thought that something had perhaps gotten in between the rotor and pad, but the grooves are symmetrical on both pads and opposite sides of the rotor. I guess it could have been a hard spot on the pad, but why would it leave a groove on the pad as well. Im fine with replacing the rotor and pad, I just don't want a repeat incident. Quote Link to comment Share on other sites More sharing options...
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