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Brakes

Brakes

Question: Disc Brakes - How do they Work

Answer:

Disc brakes are responsible for stopping your vehicle. They consist of three main parts: brake pads, a caliper, and a rotor. Brake pads are located on each side of the rotor and are actually pushed against the rotor to stop the wheel and thereby stop your vehicle. The pads create the necessary friction to stop the vehicle. The caliper is a device located over the top of the rotor and contains both brake pads.

There are two types of calipers: floating calipers and fixed calipers. A floating caliper can compress itself and contains only one piston. When the brakes are applied, brake fluid will force the piston into the brake pad, which will press against the rotor. Then, the other side of the caliper will press the other brake pad against the rotor to stop the wheel and vehicle. A fixed caliper doesn’t move; so, it contains two pistons located on each side of the rotor. When the brakes are applied, brake fluid forces both pistons into each brake pad, which press against each side of the rotor, to stop the wheel and vehicle.

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