Knowledge

Disc brake pads consist of friction material bonded or riveted onto a steel backing plate (disc brakes) FIGURE 32-18. Bonded linings are more common on light-duty vehicles since they are less expensive to build and the bonding agent can fail under the very high temperatures of heavy-duty use. Riveted linings are used on heavier-duty or … Read more

Brake pad shims and guides. Disc brakes are more prone to annoying brake squealing than are drum brakes. Brake squealing is caused by vibrations set up between the brake pad and rotor. Manufacturers have addressed this problem in a number of ways: Using softer linings with a higher coefficient of friction, which are less prone … Read more

Rotors. A. Standard solid rotors. B. Ventilated rotors. Rotors can be solid or ventilated FIGURE 32-27. Solid rotors are less expensive and usually found on smaller vehicles. Ventilated rotors are used to improve heat transfer to the atmosphere. These passage ways are designed to use centrifugal force to cause air to flow through the center … Read more

Currently most parking brakes are mechanically applied by use of a cable and ratcheting lever assembly. Parking brakes on disc brake units are primarily of two types: an integrated parking brake caliper and the top hat drum style. Alternatively, electric parking brakes are being used on some vehicles. The electric motor can pull on a … Read more

Modern passenger vehicles are almost always equipped with disc brakes on at least the front two wheels, and many manufacturers are using them on all four wheels. The primary components of the disc brakes are: Rotor Caliper Brake pads FIGURE 32-3 No Image FIGURE 32-3 The disc brake system. The rotors are the main rotating … Read more