Posts Tagged: btv

Brake pulsation judder caused by BTV

Brake pulsation caused by brake torque variation BTV What is brake torque variation (BTV) and how does it cause brake pulsation? BTV is vibration when braking that’s felt in the steering wheel or the driver’s seat and it’s often referred to as brake judder. The causes and symptoms are different than vibration caused by disc thickness variation due to lateral run out. BTV happens any time there’s there is a variation of torque across the face of the rotor. The variation may be caused by inconsistent rotor finish, metallurgy flaws … Read More