Rear Disc Brakes

Rear Disc Brake Components:

Overview
This vehicle has rear disc brakes as standard equipment.
The rear disc brake system used on this vehicle is similar to the front disc brake system. The rear disc brake system contains the following components.
- Disc brake caliper
- Brake shoes
- Caliper adapter
- Brake rotor
- Hub/bearing
These components are described in detail below.

Disc Brake Caliper
The single piston, double pin floating disc brake caliper is a one piece structure made of cast iron. The inboard side of the caliper has a single bore containing a 54 mm (2.13 inch) phenolic piston. The brake caliper is mounted to the caliper adapter using guide pin bolts.

Brake Shoes
The brake shoe lining material is an organic non-asbestos formula. The brake lining material used has been specifically formulated to be compatible with the special rotors used on the rear brakes, and to meet the braking requirements of the vehicle. When brake shoes are replaced, only brake shoes meeting the original equipment manufacturer formulation (such as Mopar replacement parts) should be used. This will maintain the original braking performance of the vehicle and will not cause damage to the rotors.

The Caliper Adapter
The caliper adapter is mounted to the rear knuckle between the knuckle and the -hub/bearing. The caliper adapter mounts the rear disc brake caliper to the knuckle and is used to mount the parking brake shoes and actuating cables to the vehicle. The caliper adapter has two machined abutments which are used to position and align the caliper and brake shoes for inboard and outboard movement of the caliper.

Rear Disc Brake Rotor:

Brake Rotor
The purpose of the brake rotor is to slow down and stop the rear wheels of the vehicle. This is accomplished by applying the brake shoes against the braking surfaces of the rotor. The rotor is made of aluminum silica carbide alloy and is vented to help cool it during brake applications. The brake rotor has two slits cut into the braking surface. They are there to isolate rear brake noise.
The brake rotor on this vehicle also serves as the drum for the parking brakes. The parking brake shoes expand out against a braking surface (drum-in-hat section) on the inside area of the rotor.

Hub/Bearing
The hub/bearing is used to mount the rear brake rotor and wheel. The rotor is mounted to the front face of the hub by the wheel mounting studs and retained by the wheel mounting nuts. The hub/bearing is mounted to the steering knuckle using four mounting bolts. The transaxle halfshaft mounts to the center hub/bearing assembly using a hub nut.