GM Service Manual Online
For 1990-2009 cars only

    Object Number: 470547  Size: SH
  1. Visually inspect the shoe hold down pins (1) and the shoe hold down springs (2) for the following:
  2. • Excessive corrosion
    • Damaged or bent pins
    • Broken spring coils

    Object Number: 470551  Size: SH
  3. Visually inspect the upper return spring (1) and the lower return spring (4) for the following:
  4. • Excessive corrosion
    • Excessive stretching
    • Broken hook ends
    • Twisting
    • Binding
  5. Visually inspect the strut, the strut spring (3), and the pawl lever (6) for the following:
  6. • Excessive corrosion
    • Damage
    • Binding
  7. Replace the drum brake system hardware if necessary. Refer to Drum Brake Hardware Replacement .