Introduction Brakes and Preventative Maintenance, A disc, also known as a rotor, a calliper, and a brake pad make up your vehicle’s braking system. If you’re sitting in the car, you might think that stepping on the brakes is all it takes to come to a halt. When the brake pedal is depressed, a piston in the master cylinder moves, causing brake fluid to be pumped through the brake lines. When the pistons in the […]