TM-9-2320-387-24 HMMWV Direct Support & General Support Maintenance Manual Volume 2 Download
Page 526 of 1555
TM 9-2320-387-24-2 lIzHe 14-1. Mechanical lYoubieshooting (Cont’d). r MALFUNCTION TEST OR INSPECTION I 38. BRAKE PEDAL PULSATlON Check brake rotor lateral runout (para. 22-3). Turn or replace any rotor not meeting specifications. END OF TESTING! Check for seized or binding brake caliper pistons. Repair any binding or seized caliper pistons (para. 22-4). END OF TESTING! WHEELS, SUSPENSION, AND STEERING 39. ERRATIC BRAKING ACTION 40. POOR DIRECTIONAL STABILITY OR UNEVEN TlRE WEAR Step 1. Check for proper tire inflation (TM 9-2320-387-10). Step 2. Check front and rear ball joints. Replace front or rear ball joints if worn (para. 6-24). Step 3. Check front and rear tie rods. Replace front or rear tie rods if worn (para. 8-13). Step 4. Check front and rear wheel alignment (para. 21-8). END OF TESTING! 4 1. NOISY SUSPENSION Check for broken or cracked springs or spring seats. Replace any damaged springs or spring seats (para. 24-5). END OF TESTING! 42. HARD STEERING OR EXCESWE PLAY IN STEERlNG Step 1. Check power steering reservoir (TM 9-2320-387-10). Step 2. Bleed power steering system (para. 8-27). Step 3. Check front ball joints. Replace front or rear ball joints if worn (para. 6-24). Step 4. Check front tie rods. Replace tie rods if worn (para. 8-13). Step 5. Check centerlink. Replace centerlink if damaged or worn (para. 8-15). Step 6. Check idler arm. Replace idler arm if worn (para. 8-17). Step 7. Check front wheel alignment (para. 21-8). END OF TESTING! 14-16