GM Service Manual Online
For 1990-2009 cars only

Object Number: 695644  Size: SH
  1. With the brake drums removed, visually inspect the upper return/adjuster actuator spring (3) and the lower return spring (7) for the following:
  2. • Excessive corrosion
    • Excessive stretching
    • Broken hook ends
    • Twisting or binding
  3. If any of the conditions listed were found, which could lead to improper park brake apply and/or release, the adjuster hardware and/or return springs require replacement.
  4. Visually inspect the adjuster (2) and the adjuster actuator lever (1) for the following:
  5. • Misalignment with the park brake lever (5)
    • Misalignment with the drum brake shoes
    • Broken or bent adjuster actuator lever (1)
    • Bent adjuster actuator lever pivot pin
  6. If any of the conditions listed were found, which could lead to improper park brake apply and/or release, the adjuster hardware requires repair or replacement.
  7. Inspect the park brake lever (5) for the following:
  8. • Bent
    • Broken pivot pin
    • Seized at the pivot pin
    • Broken at park brake cable attachment
    • Improper contact with the adjuster
  9. If any of the conditions listed were found, which could lead to improper park brake apply and/or release, the park brake lever requires repair or replacement.
  10. Visually inspect the park brake cable (6) for the following:
  11. • Improper mounting to the backing plate
    • Improper mounting at the park brake lever
    • Broken or missing cable end lug
  12. If any of the conditions listed were found, which could lead to improper park brake apply and/or release, the park brake cable requires repair or replacement.
  13. Apply the park brake lever/pedal three clicks.
  14. Visually inspect the park brake cable for the following:
  15. • Unequal travel between the left and the right park brake systems
    • No travel on one or both of the park brake systems
  16. If any of the conditions listed were found, which could lead to improper park brake apply and/or release, the park brake cable requires replacement and/or adjustment.
  17. Release the park brake lever/pedal.
  18. Visually inspect the park brake cable for the following:
  19. • Unequal release between the left and the right park brake systems
    • No release at one or both of the park brake systems
  20. If any of the conditions listed were found, which could lead to improper park brake apply and/or release, the park brake cable requires replacement and/or adjustment.