Michigan State Brakes Certification Practice Exam

Question: 1 / 400

What could be a symptom of over-torqued lug nuts?

Increased fuel consumption

A brake pedal pulsation during braking

A brake pedal pulsation during braking can indeed be a symptom of over-torqued lug nuts. When lug nuts are excessively tightened, they can distort the rotor or hub assembly. This distortion creates an uneven surface that affects how the brake pads make contact with the rotor during the braking process. The result is a pulsation felt in the brake pedal, which manifests as a vibration when the brakes are applied.

The integrity of the braking system relies on the precise alignment of all components. If the lug nuts are over-torqued and cause warping in the brake rotor, it will inevitably lead to performance issues, including the pulsation experienced when the driver applies the brakes. This highlights the importance of adhering to manufacturer specifications for torque to ensure safety and optimal vehicle performance.

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Fluid leaks in the brake system

A decrease in braking efficiency

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