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Old 12-12-2016, 12:07 PM   #4362
strat61caster
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Rotors don't warp anymore, that was a thing like 30+ years ago, but metallurgy and engineering experience is infinitely better than it used to be.

It's likely pad deposits, at least for this car. Maybe ABS related depending on how you brake? You could go get the discs resurfaced, but re-using the same pads will likely have the same results and new blanks are like <$40/ea. A good beating to even out the transfer layer is pretty much your best bet unless you want to replace pads+discs.

Most of us would probably live with it until the pads are gone and replace the discs at the next change.
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