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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 56 (Disc Brakes & Drum Brakes) >> Symptom Tests >> Brakes Drag

Brakes Drag

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? If so, go to next step. If not, go to DIAGNOSTIC 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. 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, if equipped, for proper operation. See DRUM BRAKE SYSTEM  under SYSTEM TESTS. 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  under SYSTEM TESTS. 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  under SYSTEM TESTS. 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. 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  under SYSTEM TESTS. Did you find and correct a condition? If so, go to next step. If not, go to DIAGNOSTIC STARTING POINT - HYDRAULIC BRAKES  under TROUBLE SHOOTING.
  12. Install or connect components that were removed or disconnected during diagnosis. Road test the vehicle in order to confirm proper operation. See 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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