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Home >> Hummer >> 2003 >> H2 >> Repair and Diagnosis (Single Page) >> Brakes >> Mechanical - Hydraulic >> Disc Brakes >> Symptom Tests >> Park Brake Will Not Hold Or Release

Park Brake Will Not Hold Or Release

  1. If you were sent here from the Park Brake Symptom Test, go to step  2. If you were not sent here from the Park Brake Symptom Test, go to DIAGNOSTIC STARTING POINTS  under TROUBLE SHOOTING.
  2. Inspect the park brake system for proper operation. See PARK BRAKE SYSTEM DIAGNOSIS  under TROUBLE SHOOTING. If the condition was found and corrected, go to step  5. If the condition was not found and corrected, go to step  3.
  3. Inspect the disc brake system for proper operation. See DISC BRAKE SYSTEM DIAGNOSIS  under TROUBLE SHOOTING. If the condition was found and corrected, go to step  5. If the condition was not found and corrected, go to step  4.
  4. Inspect the hydraulic brake system for proper operation. See HYDRAULIC BRAKE SYSTEM DIAGNOSIS  under TROUBLE SHOOTING. If the condition was found and corrected, go to next step. 5 If the condition was not found and corrected, go to DIAGNOSTIC STARTING POINTS  under TROUBLESHOOTING.
  5. Road test the vehicle in order to confirm proper operation. See BRAKE SYSTEM VEHICLE ROAD TEST  under SYSTEM TESTS. If the condition is still present, go to step  2. If the condition is not present, system is okay.
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