Drum Brake Adjusting Hardware Inspection

Fig 1: Identifying Park Brake Adjuster Actuator Components

Courtesy of GENERAL MOTORS CORP.

CAUTION: Refer to Brake Dust Caution in Cautions and Notices.

1. Visually inspect the adjuster actuator spring (2) for the following:
   • Excessive corrosion
   • Excessive stretching
   • Broken hook ends
   • Twisting or binding
   • Missing
2. If any of the conditions listed were found, the drum brake system adjuster hardware requires replacement.
3. Visually inspect the adjuster actuator lever (1) for the following conditions:
   • Bent
   • Broken
   • Missing
   • Broken spring attachment tab
4. If any of the conditions listed were found, the adjuster actuator lever and/or attaching hardware requires replacement.