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Brakes Drag

WARNING: This page is about a different car, the 2002 GMC Savana Special, 2002 GMC Savana Camper Special, 2002 GMC Savana, and 2002 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
  1. Were you sent here from DIAGNOSTIC STARTING POINT - HYDRAULIC BRAKES? If so, go to next step. If not, see DIAGNOSTIC STARTING POINT - HYDRAULIC BRAKES  .
  2. Is the vehicle equipped with an adjustable stoplight switch and/or an adjustable cruise control release switch? If so go to next step. If not go to step  4 .
  3. Inspect the stoplight switch for proper adjustment to ensure that the brake pedal is fully releasing. Inspect the cruise control release switch, if equipped, for proper adjustment to ensure that the brake pedal is fully releasing. Did you find and correct a condition? If so go to step  12 . If not go to next step.
  4. Inspect the drum brake system for proper operation. See DRUM BRAKE SYSTEM TESTING  . Did you find and correct a condition? If so go to step  12 . If not go to next step.
  5. Inspect the park brake system for proper operation. See PARK BRAKE SYSTEM TESTING  . Did you find and correct a condition? If so go to step  12 . If not go to next step.
  6. Inspect the disc brake system for proper operation. See DISC BRAKE SYSTEM TESTING  . Did you find and correct a condition? If so go to step  12 . If not go to next step.
  7. Separate the brake booster pushrod from the brake pedal. Inspect the brake corners to determine if the brake drag condition is still present. Do the brake corners still exhibit the brake drag condition? If so go to step  9 . If not go to next step.
  8. Replace the brake pedal assembly. See BRAKE PEDAL ASSEMBLY  . After repairs are complete, go to step  12 .
  9. Separate the master cylinder from the brake booster. Do not disconnect any brake pipes. Inspect the brake corners to determine if the brake drag condition is still present. Do the brake corners still exhibit the brake drag condition? If so go to step  11 . If not go to next step.
  10. Replace the brake booster assembly. After repairs are complete, go to step  12 .
  11. Inspect the hydraulic brake system for proper operation. See HYDRAULIC BRAKE SYSTEM TESTING  . Did you find and correct a condition? If so go to next step.
  12. Install or connect components that were removed or disconnected during diagnosis. Road test the vehicle in order to confirm proper operation. See BRAKE SYSTEM VEHICLE ROAD TEST  . Is the condition still present? If so go to step  2 . If not, system is okay.
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