Ford Focus Service Manual: Front Disc Brake

The front brake disc system consists of the following components:

• Brake caliper anchor plate
• Brake caliper
• Brake disc
• Brake flexible hose

When mechanical force is applied by the driver to the brake pedal, the force is converted into hydraulic pressure by the master cylinder. The hydraulic force is directed to the disc brake calipers and transferred to the brake pads. The brake pads are then forced against the brake friction surfaces by the brake caliper pistons. The friction of the brake pads on the brake disc causes the slowing of wheel rotation and the vehicle.