Michigan State Brakes Certification Practice Exam

Question: 1 / 400

What can cause brake pedal vibration when pressed?

Worn brake pads

Misaligned wheels

Warped brake rotors

Brake pedal vibration when pressed is often caused by warped brake rotors. When rotors are warped, they do not maintain a consistent distance from the brake pads as they rotate. This uneven surface leads to fluctuations in pressure as the pads make contact with the rotor, resulting in a vibration that can be felt in the brake pedal.

In the context of the other options, worn brake pads may contribute to a spongy feel or noise but typically do not cause a vibration sensation directly. Misaligned wheels mainly affect the handling and wear of tires rather than the brake feel. Low brake fluid can lead to a soft pedal or brake failure, but it does not typically cause vibration when the pedal is pressed. Therefore, the presence of warped brake rotors is the most likely cause of the vibration experienced during braking.

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Low brake fluid

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