CARS.COM — Subject to tremendous friction and heat, brake pads wear down and must be replaced as part of a car’s regular maintenance. In disc-brake systems, the brake pads are the friction material ...

In disc-brake systems, the brake pads are the friction material the caliper squeezes against the rotating disc, or rotor, to slow the wheel’s rotation and stop the car. In drum brakes, the pads are ...

A. With dynamic stopping the brake must absorb the kinetic energy built up by the inertial loads. In such instances the brake transfers that energy, causing heat buildup and wear on the surfaces of ...