Brakes- Front Disc- How Do They Work


The disc brake system consists of the following components:

Disc Brake Pads: Applies mechanical output force from the hydraulic brake calipers to friction surfaces of brake rotors.

Disc Brake Rotors: Uses mechanical output force applied to friction surfaces from the disc brake pads to slow speed of tire and wheel assembly rotation.



Disc Brake Pad Hardware: Secures disc brake pads firmly in proper relationship to the hydraulic brake calipers. Enables a sliding motion of brake pads when mechanical output force is applied.

Disc Brake Caliper Hardware: Provides mounting for hydraulic brake caliper and secures the caliper firmly in proper relationship to caliper bracket. Enables a sliding motion of the brake caliper to the brake pads when mechanical output force is applied.

Mechanical output force is applied from the hydraulic brake caliper pistons to the inner brake pads. As the pistons press the inner brake pads outward, the caliper housings draw the outer brake pads inward. This allows the output force to be equally distributed. The brake pads apply the output force to the friction surfaces on both sides of the brake rotors, which slows the rotation of the tire and wheel assemblies. The correct function of both the brake pad and brake caliper hardware is essential for even distribution of braking force.

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  • Guest - Bob Forbes

    Where can I get the bracket-levers that bolt on to the rear brake callipers and attach to the emergency brake cables for a late 1970's Lincoln Versailles rear end? Ford gave me part #D5M7 2B596A-7A.

  • Guest - Tech

    In reply to: Guest - Marcel brunet

    How to change rotors on 1996 ford F250 Heavy duty 4X4
    <br />Remove caliper. Remove the dust cap, cotter pin, lock nut, bearing retaining nut, washer, and outer bearing, and remove the front disc brake hub and rotor from the front wheel spindle.

  • Guest - Marcel brunet

    How to change rotors on 1996 Ford F250 Heavy duty 4X4.