Park Brake Inspection - Drum
WARNING: This page is about a different car, the 2003 Pontiac Aztek and 2003 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
- With the brake drums removed, visually inspect the upper return/adjuster actuator spring and the lower return spring for the following:
- Excessive Corrosion
- Excessive Stretching
- Broken Hook Ends
- Twisting Or Binding
- 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 and the adjuster actuator lever for the following:
- Misalignment with the park brake lever.
- Misalignment with the drum brake shoes.
- Broken or bent adjuster actuator lever.
- 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 for the following:
- Bent
- Broken Pivot Pin
- 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 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.