This Powerstop Z17 pad/rotor rear kit has less than 10k on it. Why the grooves on the rotor surface? Pics of both sides.
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Rotor grooves, why?
- Thread starter LeakySeals
- Start date
Less than 10 K was supposed to be. Changed. It’s had one winter. I’m semi retired so vehicle only gets about 8K a year. Yes parked outside. I try to keep it clean and I do spray salt away in the winter
Ah ok. To me that's normal. Splash on some of our salty water in winter, and it will get rust. Our cars get parked both in and outside, and I think indoors is worse, but they both suffer greatly. To me, it's just not surprising to need rotors every 5 years, although I have nothing against using records for rotors--it's just more braking surface.
Rotor surface rusted, pad wore unevenly scraping off the rust, now there is an uneven surface on both.
Pads cause this. I see similar effect running Brembo ceramic pads in the back but no issues at all with Bosch CQ in the front, both ends had new Bosch rotors installed along with pads.
So that means the grooves will even out as the pads wear down?
No. They will most likely stay grooved for the rest of the pad life.
That's how my brakes looked when I bought my Jetta. Sat for a long time. 13k miles later they look like this:
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