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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 22 (Disc Brakes) >> Symptom Tests >> Brakes Drag

Brakes Drag

WARNING: This page is about a different car, the 2002 Pontiac Grand Prix and 2002 Oldsmobile Intrigue. However, it is still accessible from the selected car via links, so may be relevant.
  1. Were you sent here from the Hydraulic Brake Symptom table? If so, go to next step. If not, go to DIAGNOSTIC STARTING POINT  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. Did you find and correct a condition? If so, go to step  11 . If not, go to next step.
  4. 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  11 . If not, go to next step.
  5. 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  11 . If not, go to next step.
  6. 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  8 . If not, go to next step.
  7. Replace the brake pedal assembly. See BRAKE PEDAL ASSEMBLY  under REMOVAL & INSTALLATION. After repairs are complete, go to step  11 .
  8. 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  10 . If not, go to next step.
  9. Replace the power brake booster assembly. See POWER BRAKE BOOSTER  under REMOVAL & INSTALLATION. After repairs are complete, go to step  11 .
  10. Inspect the hydraulic brake system for proper operation. See HYDRAULIC BRAKE SYSTEM DIAGNOSIS  under SYSTEM TESTS. Did you find and correct a condition? If so, go to step. If not, go to DIAGNOSTIC STARTING POINT  under TROUBLE SHOOTING.
  11. 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  under TROUBLE SHOOTING. Is the condition still present? If so, go to step  2 . If not, system is okay.
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