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What Causes Engine Vibration When Braking in Place?

1 Answers

Brooklyn

07/30/25 5:26am

Engine vibration when braking in place is caused by uneven wear of the brake discs. This phenomenon primarily occurs due to prolonged use of intermittent braking (pumping the brakes), which results in uneven brake disc surfaces with alternating high and low spots. When braking, the brake pads clamp onto these uneven surfaces, causing vibration. The braking system consists of a vacuum booster, master cylinder, wheel cylinders, brake pads, and brake discs. The function of the brakes is to reduce speed or bring the vehicle to a stop. The working principle involves converting the kinetic energy of the moving vehicle into thermal energy through friction between the brake pads and brake drums, as well as between the tires and the road surface, thereby slowing or stopping the vehicle.

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