Section: Auto and Shop Information

12) Which of the following items is part of the braking system is an automobile?

1. master cylinder
2. calipers
3. drums
4. all of the above

When the brake pedal is pressed, it operates the master cylinder, which forces the brake fluid through the lines out to each wheel. The pressure in the brake lines causes the calipers to move and press the brake shoes against the brake drum. This causes the automobile to slow down.