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 493 (Disc Brakes & Drum Brakes) >> Symptom Tests >> Brakes Drag

Brakes Drag

WARNING: This page is about a different car, the 2003 GMC Sonoma, 2003 GMC Jimmy, 2003 Chevrolet S10 Pickup, and 2003 Chevrolet Blazer. 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 the next step. If not, go to STARTING POINT - HYDRAULIC BRAKES  under TROUBLE SHOOTING.
  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. If so, repair and go to step  12. If not, go to next step.
  4. Inspect the drum brake system, if equipped, for proper operation. See DRUM BRAKE SYSTEM DIAGNOSIS  under SYSTEM TESTS. Did you find and correct a condition? If so, go to step  12. If not, go to the next step.
  5. Inspect the park brake system for proper operation. See PARK BRAKE SYSTEM DIAGNOSIS  under SYSTEM TESTS. Did you find and correct a condition? If so, go to step  12. If not, go to the next step.
  6. Inspect the disc brake system for proper operation. See DISC BRAKE SYSTEM DIAGNOSIS  under SYSTEM TESTS. Did you find and correct a condition? If so, go to step  12. If not, go to the 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  under REMOVAL & INSTALLATION. 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. See VACUUM BRAKE BOOSTER  under REMOVAL & INSTALLATION. After repairs are complete go to step  12.
  11. Inspect the hydraulic brake system for proper operation. See HYDRAULIC BRAKE SYSTEM DIAGNOSIS  under SYSTEM TESTS. Did you find and correct a problem? If so, go to the next step. If not, go to STARTING POINT - HYDRAULIC BRAKES  under TROUBLE SHOOTING.
  12. Road test the vehicle in order to confirm proper operation. See BRAKE SYSTEM VEHICLE ROAD TEST  under TROUBLE SHOOTING. Is the condition still present? If so, go to step  4. If not, the system is okay.
scientia non olet · About LEMON Manuals