GM Service Manual Online
For 1990-2009 cars only

Object Number: 171475  Size: SH
  1. Visually inspect the drum brake system hold-down springs (22) and pins (10) for the following:
  2. • Excessive corrosion
    • Damaged or bent locating pins
    • Weak spring tension
  3. Visually inspect the return springs (26, 27), the return/adjuster actuator springs (4, 25), and the park brake lever return spring (20) for the following:
  4. • Excessive corrosion
    • Excessive stretching
    • Broken hook ends
    • Twisting or binding
  5. If any of the conditions listed were found, the drum brake system hardware requires replacement.