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What Causes the Friction Sound in Disc Brakes?

1 Answers

ColeRose

07/30/25 1:12am

The causes of friction sound in disc brakes include the brake pads being in the break-in period, the presence of metal particles in the brake pads, excessive wear of the brake disc and brake pads, and deformation of the brake disc. Solutions for friction sound in disc brakes: Remove the brake pads and sand off the rust layer, or replace the brake pads if they are severely worn; have the work done at a professional auto repair shop. For safety, timely maintenance is essential as the braking system directly affects the vehicle's driving safety and is a high-wear component. Regular maintenance checks and part replacements are recommended, with brake pads typically replaced every 60,000 to 80,000 kilometers and brake discs every 100,000 to 120,000 kilometers. The function of 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 heat energy through friction between the brake pads and brake drum, as well as between the tires and the ground, thereby slowing or stopping the vehicle. Disc brakes consist of a brake disc connected to the wheel and a brake caliper at the edge of the disc. During braking, high-pressure brake fluid pushes the brake pads to clamp the brake disc, creating a braking effect. Disc brakes are sometimes called rotor brakes and come in two types: standard disc brakes and ventilated disc brakes.

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