- With the brake drums removed, visually inspect the upper return/adjuster
actuator spring (3) and the lower return spring (7) for the following:
- 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.
- Visually inspect the adjuster (2) and the adjuster actuator lever (1)
for the following:
• | 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 |
- 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.
- Inspect the park brake lever (5) for the following:
• | Seized at the pivot pin |
• | Broken at park brake cable attachment |
• | Improper contact with the adjuster |
- 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.
- Visually inspect the park brake cable (6) for the following:
• | Improper mounting to the backing plate |
• | Improper mounting at the park brake lever |
• | Broken or missing cable end lug |
- 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.
- Apply the park brake lever/pedal three clicks.
- Visually inspect the park brake cable for the following:
• | Unequal travel between the left and the right park brake systems |
• | No travel on one or both of the park brake systems |
- 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.
- Release the park brake lever/pedal.
- Visually inspect the park brake cable for the following:
• | Unequal release between the left and the right park brake systems |
• | No release at one or both of the park brake systems |
- 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.