LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 55 (Disc Brakes & Drum Brakes) >> System Testing >> Parking Brake System Testing

Parking Brake System Testing

WARNING: This page is about a different car, the 2002 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.
  1. Were you sent here from a Hydraulic Brake Symptom test? If so, go to step  4 . If not, go to next step.
  2. Were you sent here from a Park Brake Symptom Test? 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 yes, then see DIAGNOSTIC STARTING POINT (PARK BRAKE)  under TROUBLESHOOTING. If not, go to step DIAGNOSTIC STARTING POINT (HYDRAULIC BRAKE)  under TROUBLESHOOTING.
  4. Raise and support the vehicle with the rear axle supported by jack stands. Shift the transmission into NEUTRAL. 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 next step  11 . If not, go to next step.
  5. Shift the transmission into NEUTRAL. 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. See PARK BRAKE CABLES  under REMOVAL & INSTALLATION. When finished, go to next step.
  9. Check the adjustment of the park brake. See PARKING BRAKE ADJUSTMENT  under 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 PARKING BRAKE ADJUSTMENT  under 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. CAUTION: 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 brake drums. See REAR BRAKE DRUM  under REMOVAL & INSTALLATION. Inspect the park brake hardware for loose, damaged, broken or missing components. See PARKING BRAKE HARDWARE INSPECTION  under ADJUSTMENTS & INSPECTIONS. Check the drum brake adjusters for a seized condition. Does the park brake hardware and/or the park brake adjusters require replacement? If so, go to next step. If not, go to step  13 .
  12. Replace park brake hardware components as necessary. See DRUM BRAKE COMPONENTS  under OVERHAUL. When finished, 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 PARKING BRAKE ADJUSTMENT  under 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 PARKING BRAKE ADJUSTMENT  under ADJUSTMENTS & INSPECTIONS. Were you able to attain adjustment of the park brake? If so, go to next step. If not, go to step  26 .
  16. With the transmission still in NEUTRAL, 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 step  28 . If not, go to next step.
  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). See PARK BRAKE CABLES  under REMOVAL & INSTALLATION. When finished, go to next step.
  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 PARK BRAKE CABLES  . 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 (not releasing properly). See PARK BRAKE PEDAL ASSEMBLY  under REMOVAL & INSTALLATION. When finished, go to step  25 .
  21. Check the adjustment of the park brake. See PARKING BRAKE ADJUSTMENT  under ADJUSTMENTS & INSPECTIONS. Was the park brake adjusted properly? If so, go to step  28 . If not then go to next step.
  22. Adjust the park brake. See PARKING BRAKE ADJUSTMENT  under ADJUSTMENTS & INSPECTIONS. Were you able to attain adjustment of the park brake? If so, go to step  27 . If not, go to next step.
  23. Remove the brake drums, if they have not yet been removed. See REAR BRAKE DRUM  under REMOVAL & INSTALLATION. Check the drum brake adjusters for a seized condition. Replace the drum brake adjusters as necessary. See DRUM BRAKE COMPONENTS  under OVERHAUL. 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 PARKING BRAKE ADJUSTMENT  under ADJUSTMENTS & INSPECTIONS. Were you able to attain adjustment of the park brake? If so, go to step  27 . If not, go to step  26 .
  25. Adjust the park brake. See PARKING BRAKE ADJUSTMENT  under ADJUSTMENTS & INSPECTIONS. Were you able to attain adjustment of the park brake? If so, go to step  27 . If not, then see DIAGNOSTIC STARTING POINT (HYDRAULIC BRAKE)  under TROUBLE SHOOTING.
  26. Replace the component that is used to adjust the park brake system. See PARK BRAKE PEDAL ASSEMBLY  under REMOVAL & INSTALLATION. Adjust the park brake. See PARKING BRAKE ADJUSTMENT  under ADJUSTMENTS & INSPECTIONS. When finished, go to next step.
  27. With the transmission still in NEUTRAL, 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, then see DIAGNOSTIC STARTING POINT (HYDRAULIC BRAKE)  under TROUBLE SHOOTING.
  28. Install or connect any components that were removed or disconnected during diagnosis. When finished, return to referencing procedure.
scientia non olet · About LEMON Manuals