Rear Drum Brakes

Fig 1: Drum Brake Components

Courtesy of DAIMLERCHRYSLER CORP.

1 - DUST CAP

2 - NUT

3 - DRUM

4 - HUB AND BEARING

5 - WHEEL CYLINDER

6 - SUPPORT PLATE

7 - BRAKE SHOES

All rear drum brake equipped vehicles feature 228mm rear drum brakes sales code designated BRB or BRK. The drum brakes are all two-shoe (7), internal-expanding type with an automatic adjuster screw.

Each rear drum brake consists of these major components as well as the attaching hardware: See Fig 1.

Drum (3)
Shoes (7)
Support Plate (6)
Wheel Cylinder (5)

The rear drum brakes also serve as part of the parking brake system. (Refer to BRAKES/PARKING BRAKE - DESCRIPTION)