Brake rotor signs of wear include:
- Visible ridges on rotor surface.
- Chirping, grinding, or squeaking noises when braking.
- Difficulty stopping the vehicle.
- A low or sinking brake pedal.
- Braking causes the pedal and/or steering wheel to pulsate/vibrate (not to be confused with normal ABS operation.
- Vehicle pulls to the left or right when brakes are applied.

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