Test J: Park Brake Will Not Hold Or Release
- If sent here from SYMPTOM INDEX table, go to next step. If not sent here from SYMPTOM INDEX table, go to PARK BRAKE DIAGNOSTIC STARTING POINT under TROUBLE SHOOTING.
- Inspect the park brake system for proper operation. See PARK BRAKE SYSTEM TEST under SYSTEM TESTS. If problem was found and corrected, go to step 6. If problem was not found, go to next step.
- Inspect the drum brake system for proper operation. See DRUM BRAKE SYSTEM TEST under SYSTEM TESTS. If problem was found and corrected, go to step 6. If problem was not found, go to next step.
- Inspect the disc brake system for proper operation. See DISC BRAKE SYSTEM TEST under SYSTEM TESTS. If problem was found and corrected, go to step 6. If problem was not found, go to next step.
- Inspect the hydraulic brake system for proper operation. See HYDRAULIC SYSTEM TEST under SYSTEM TESTS. If problem was found and corrected, go to next step. If problem was not found, go to PARK BRAKE DIAGNOSTIC STARTING POINT under TROUBLE SHOOTING.
- Road test the vehicle in order to confirm proper operation. See VEHICLE ROAD TEST under TROUBLE SHOOTING. If problem is still present, go to step 2. If problem is not present, system is okay.