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Park Brake System

WARNING: This page is about a different car, the 2003 Buick Regal, 2003 Buick Century, 2002 Buick Regal, and 2002 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
  1. Were you sent here from SYMPTOMS - HYDRAULIC BRAKES under TROUBLE SHOOTING? If so, go to step  4 . If not, go to next step.
  2. Were you sent here from a SYMPTOMS - PARK BRAKES under TROUBLE SHOOTING? If so, go to step  4 . If not go to next step.
  3. Is the symptom related to the ability of the park brake system to hold and/or release? If so, go to DIAGNOSTIC STARTING POINT - PARK BRAKE  under TROUBLE SHOOTING. If not, go to DIAGNOSTIC STARTING POINT - HYDRAULIC BRAKES  under TROUBLE SHOOTING.
  4. Raise and support the vehicle with the rear axle supported by jack stands. With the park brake RELEASED, attempt to rotate the rear wheels to check the rear brakes for a significant amount of drag. Do the rear brakes have a significant amount of drag? If so, go to step  11 . If not, go to next step.
  5. Apply the park brake. Attempt to rotate the rear wheels to check the rear brakes for a significant amount of drag. Do the rear brakes have a significant amount of drag? If so, go to next step. If not, go to step  7 .
  6. Release the park brake. Rotate the rear wheels to check the rear brakes for a significant reduction in the amount of drag. Did the rear brakes exhibit a significant reduction in the amount of drag? If so, go to step  21 . If not, go to step  11 .
  7. Visually check the park brake cable connections and the cables that are accessible on the UNDERSIDE of the vehicle for disconnections and/or damage. Were any or the park brake cables disconnected and/or damaged? If so, go to next step. If not, go to step  9 .
  8. Reconnect or replace the park brake cables as necessary. Refer to the following procedures as necessary: Did you complete the repair and/or replacement? If so, go to next step.
  9. Check the adjustment of the park brake. See DRUM PARK BRAKE ADJUSTMENT  or DISC BRAKE PARK BRAKE ADJUSTMENT  under PARK BRAKE in ADJUSTMENTS & INSPECTIONS. Was the park brake adjusted properly? If so, go to step  11 . If not, go to next step.
  10. Adjust the park brake. See DRUM PARK BRAKE ADJUSTMENT  or DISC BRAKE PARK BRAKE ADJUSTMENT  under PARK BRAKE in ADJUSTMENTS & INSPECTIONS. Were you able to attain adjustment of the park brake? If so, go to step  16 . If not, go to next step.
    11. NOTE: Do not depress the brake pedal with the brake rotors and/or the brake drums removed, or with the brake calipers repositioned away from the brake rotors, or damage to the brake system may result.
  11. Remove the rear brake rotors or brake drums. See BRAKE ROTOR (REAR)  or BRAKE DRUM  under REMOVAL & INSTALLATION. Inspect the park brake components. See PARK BRAKE  under ADJUSTMENTS & INSPECTIONS. Check the park brake actuators or adjusters for a seized condition. Does the park brake hardware and/or the park brake actuators or adjusters require replacement? If so, go to next step. If not, go to step  13 .
  12. Replace park brake hardware components as necessary. See BRAKE SHOE  orPARK BRAKE HARDWARE  under REMOVAL & INSTALLATION. Replace the park brake actuators or adjusters as necessary. See PARK BRAKE ACTUATOR  or ADJUSTING SCREW  under REMOVAL & INSTALLATION. After repairs are complete, go to next step.
  13. Have an assistant apply and release the park brake, while you observe the park brake cables for free movement. Did the park brake cables move freely? If so, go to next step. If not, go to step  17 .
  14. Check the adjustment of the park brake. See DRUM PARK BRAKE ADJUSTMENT  or DISC BRAKE PARK BRAKE ADJUSTMENT  under PARK BRAKE in ADJUSTMENTS & INSPECTIONS. Was the park brake adjusted properly? If so, go to step  16 . If not, go to next step.
  15. Adjust the park brake. See DRUM PARK BRAKE ADJUSTMENT  or DISC BRAKE PARK BRAKE ADJUSTMENT  under PARK BRAKE in ADJUSTMENTS & INSPECTIONS. Were you able to attain adjustment of the park brake? If so, go to next step. If not, go to  26 .
  16. Apply the park brake. Attempt to rotate the rear wheels to check the rear brakes for a significant amount of drag. Release the park brake. Rotate the rear wheels to check the rear brakes for a significant reduction of drag. Did the park brake apply and release properly? If so, go to next step. If not, go to SYMPTOMS - PARK BRAKES  under TROUBLE SHOOTING.
  17. Disconnect the park brake cable connections that are accessible on the underside of the vehicle one at a time and check each cable for free movement. Do any of the park brake cables accessible on the underside of the vehicle require replacement? If so, go to next step. If not, go to step  19 .
  18. Replace any of the park brake cables that do not have free movement (not releasing properly). Refer to the following procedures as necessary:
    • Park Brake Cable Replacement - Front
    • Park Brake Cable Replacement - Rear
    See REMOVAL & INSTALLATION.
  19. Disconnect the front park brake cable connection accessible INSIDE the vehicle at the park brake pedal assembly and check for free movement. Replace the front park brake cable if it does not have free movement. See FRONT PARK BRAKE CABLE  under REMOVAL & INSTALLATION. Did you find and correct a condition? If so, go to step  24 . If not, go to next step.
  20. Replace the park brake pedal assembly. See PARK BRAKE PEDAL ASSEMBLY  under REMOVAL & INSTALLATION. After repairs are complete, go to step  25 .
  21. Check the adjustment of the park brake. See DISC BRAKE PARK BRAKE ADJUSTMENT  or DRUM PARK BRAKE ADJUSTMENT  under PARK BRAKE in ADJUSTMENTS & INSPECTIONS. Is the park brake adjusted properly? If so, go to step  28 . If not, go to next step.
  22. Adjust the park brake. See DISC PARK BRAKE ADJUSTMENT  or DRUM PARK BRAKE ADJUSTMENT  under PARK BRAKE in ADJUSTMENTS & INSPECTIONS. Were you able to attain adjustment of the park brake system? If so, go to step  27 . If not, go to next step.
  23. Remove the rear brake rotors or brake drums, if they have not yet been removed. See BRAKE ROTOR (REAR)  or BRAKE DRUM  under REMOVAL & INSTALLATION. Check the park brake actuators or adjusters for a seized condition. Replace the park brake actuators or adjusters as necessary. See PARK BRAKE ACTUATOR  or ADJUSTING SCREW  under REMOVAL & INSTALLATION. Did you find and correct a condition? If so go to next step. If not, go to step  26 .
  24. Adjust the park brake. See DRUM PARK BRAKE ADJUSTMENT  or DISC PARK BRAKE ADJUSTMENT  under PARK BRAKE in ADJUSTMENTS & INSPECTIONS. Were you able to attain adjustment of the park brake system? If so, go to step  27 . If not, go to step  26 .
  25. Adjust the park brake. See DRUM PARK BRAKE ADJUSTMENT  or DISC PARK BRAKE ADJUSTMENT  under PARK BRAKE in ADJUSTMENTS & INSPECTIONS. Were you able to attain adjustment of the park brake system? If so, go to step  27 . If not, go to SYMPTOMS - PARK BRAKES  under TROUBLE SHOOTING.
  26. Replace the component that is used to adjust the park brake system. See PARK BRAKE CABLE EQUALIZER  under REMOVAL & INSTALLATION. Adjust the park brake. See DRUM PARK BRAKE ADJUSTMENT  or DISC PARK BRAKE ADJUSTMENT  under PARK BRAKE in ADJUSTMENTS & INSPECTIONS. Did you complete the replacement and adjustment? If so, go to next step. If not, go to SYMPTOMS - PARK BRAKES  under TROUBLE SHOOTING.
  27. Apply the park brake. Attempt to rotate the rear wheels to check the rear brakes for a significant amount of drag. Release the park brake. Rotate the rear wheels to check the rear brakes for a significant reduction of drag. Did the park brake apply and release properly? If so, go to next step. If not, go to SYMPTOMS - PARK BRAKES  under TROUBLE SHOOTING.
  28. Install or connect any components that were removed or disconnected during diagnosis. Did you complete the operation? If so, then system okay. If system is not okay, go to step  2 .
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