TM-9-2320-280-34 HMMWV Direct Support & General Support Maintenance Manual Download
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TM 9-2320-280-34 Table 2-1. Mechanical Troubleshooting (Cont’d) MALFUNCTION TEST OR INSPECTION DIFFERENTIAL 49. DIFFERENTIAL NOISY Step 1. Check differential and axle free play tolerance (para 9-11). Step 2. Replace differential (para. 9-5). END OF TESTING! BRAKES 50. NOISY BRAKES Refinish brake rotors (para. 10-3) 51. BRAKE PEDAL PULSATION Check brake rotor lateral runout (para. 10-3). Refinish any rotor not meeting specifications. END OF TESTING! 52. ERRATIC BRAKING ACTION Check for seized or binding brake caliper pistons. Repair any binding or seized caliper pistons (para. 10-4). END OF TESTING! WHEELS, SUSPENSION, AND STEERING 53. POOR DIRECTIONAL STABILITY OR UNEVEN TIRE WEAR Check front and rear wheel alignment (para. 9-8). END OF TESTING! 54. NOISY SUSPENSION Check for broken or cracked spring seats. Replace any damaged spring seats (para. 12-5). END OF TESTING! 55. HARD STEERING OR EXCESSIVE PLAY IN STEERING Check front wheel alignment (para 9-8). END OF TESTING! 2-19