Posts Tagged: Car shakes when braking? Learn the real cause—disc thickness variation—not warped rotors

Why Your Car Shakes When Braking

How to Fix Brake Pulsation Permanently Quick Summary When your car shakes when braking, the root cause is almost always disc thickness variation (DTV)—not warped rotors. The DTV is caused by lateral runout, meaning the rotor isn’t sitting perfectly flat against the hub. When the rotor is out-of-parallel with the wheel hub or steering knuckle by as little as 0.003″, it causes the rotor to rotate in a wobble. That creates uneven brake pad contact, leading to vibration, steering wheel shake, and brake pedal pulsation. DTV and brake pedal pulsation … Read More