It is a measure of how much off-centre a brake rotor is as it spins around the hub. A vibration, or pulsing, in your brake pedal or steering wheel when your apply your brakes may indicate that your run-out is off tolerance.
It is a measure of how much off-centre a brake rotor is as it spins around the hub. A vibration, or pulsing, in your brake pedal or steering wheel when your apply your brakes may indicate that your run-out is off tolerance.