VIDEO: Measuring Flange Runout: Two Lug Nuts, Or Five?
Andrew Markel explains best practices for new brake rotor installation by checking flange runout with a certain amount of lug nuts attached and torqued. Sponsored by BCA Bearings.

Stop the ‘Warped’ Rotors Myth and Service Brakes the Right Way
Myths take hold because either A) they seem completely logical or B) they are so often repeated that they just become common knowledge. The warped rotor myth is a little bit of both. A rotor that contributed to a pulsation condition certainly appears “warped.” Plus, everyone says it — even technicians that know the rotor
