Automotive/Technical Videos 2 weeks ago VIDEO: Measuring Flange Runout: Two Lug Nuts, Or Five? Share Tweet Print Email Andrew Markel,authorView bio Bio Recent Posts Popular Posts VIDEO: Oxygen Sensor Operation ModesVIDEO: Motor Mounts And EVAP CodesVIDEO: Key Fob TPMS Relearn Does Not InitiateVIDEO: Diagnosing Undercar Noises During A Test DriveVIDEO: TPMS Deactivation On Custom Rims VIDEO: Stop-Start System Service OpportunitiesVIDEO: Two Tips For Knock Sensor DiagnosisTPMS Procedures On Domestic VehiclesVIDEO: Brake Pad Research And DevelopmentVIDEO: How Do MAP And MAF Sensors Interpret Vacuum Leaks? 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. Video courtesy Brake & Front End.