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Old 08-09-2017, 08:42 AM   #1
RunRS9114
 
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Drives: 2017 Hyper Blue 2SS, A8, NPP
Join Date: Dec 2013
Location: Chicagoland
Posts: 73
Rotors Pitting and Brake Squeal

Hey everyone! This is something that I noticed right after purchasing and picking up the car and wanted to get an opinion before taking it to the dealership.

I think I have some pitting occurring in my rotors. This is happening on the driver's side front and rear rotors. The passenger side rotors are completely clean and what I would expect from a new car. The car only has 5,000 miles on it, but I noticed the rotors looking like this from the get go (had ~100 miles on it when I bought it new). I didn't really think anything of it when I bought it, assuming whatever it was would burn off with normal driving. Does this look like pitting or is this something else? Should I look into getting these replaced? You can catch your nail in some of the pits when running it along the rotor.

I also have an incredibly loud brake squeal coming from that side of the car and don't know if the pitting in the rotors might be causing that as well. I know some squealing is normal for Brembos and the stock pads, but it sounds like a freight train stopping when I use my brakes. This only happens in low speed braking (sitting in traffic, coming to a stop sign, etc.) and shows up once everything is warmed up. I don't have any vibration, the car doesn't pull, and outside of the squeal the brakes work great.
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