BRAKE SYSTEM

Modern automotive braking systems combine leverage and multiplied hydraulic force to stop your vehicle. Pressure is generated once your foot presses the brake pedal to slow or stop the vehicle.

Applied at the brake pedal, the driver's braking effort is multiplied by the brake booster and then applied to the master cylinder. The master cylinder transmits the braking effort—via the brake fluid—to the brake calipers (on disc brakes) or to the wheel cylinders (on non-disc brakes). Consistent with the driver's pedal effort, first the calipers press the brake pads against the brake rotors. Then, the wheel cylinders apply the brake shoes against the brake drums, thereby braking the vehicle. Most new cars have anti-lock brakes (ABS) for faster, safer braking. The parking/emergency brake can be used as a mechanical or electronic backup in case the hydraulic system fails.

Braking System Components

Brake fluid transmits the force from the brake pedal to each wheel. Brake fluid degrades over time and needs to be replaced as a part of regular vehicle maintenance. Check your owner’s manual for recommended service intervals.

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