A pulsating brake pedal, which may be accompanied by a shuddering or jerky stop during normal braking usually means a warped rotor or an out-of-round drum — although it can sometimes be caused by loose wheel bearings, a bent axle shaft or loose brake parts. Brake rotor runout can be measured with a dial indicator.Click to see full answer. Similarly one may ask, what causes brake pedal pulsing?One of the most common causes of a warped brake rotor is the improper installation of the wheel. Take out of the equation that everything is assembled correctly, and then the most common cause of brake pulsation is from the uneven transfer of friction material from the pad to the rotor.Beside above, can brake pads cause vibration? Brake Pad Issues They can cause vibration when they grip the rotor. This shaking can also happen if the pads are warped, damaged, or excessively worn. If it’s your brake pads, you will likely hear a high pitched whining noise when braking. Also question is, are pulsating brakes dangerous? When mild, it’s merely annoying. But even mild pulsation can influence ABS performance and increase braking distance in a panic stop. In extreme cases or when traction is marginal, uneven braking caused by pedal pulsation can make the car difficult to control.What causes vibration in accelerator pedal?If you notice a vibration coming from the gas pedal there is a good chance that your vehicle is suffering from an exhaust leak. As the hazardous fumes escape from a small crack or hole it can actually cause the entire vehicle to vibrate, but the sensation will be most prominent in the gas pedal as you accelerate.