TM-9-2320-361-24-1 Field Maintenance Manual Volume 1 for M44A2 Series Trucks
Page 111 of 1176
MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION 2. DIFFERENTIAL CLUNKS DURING TURNS OR INITIAL TAKEOFF 1. Check for loose or damaged wheel bearings. Raise wheel off ground. Use prybar to check for excessive play. 2. Check torque rod for damage (WP 0162 00). 3. Check differential propeller shaft(s) and universal joint(s) condition (WP 0139 00 or WP 0141 00). 4. Check front axle shafts and universal joints for defects (WP 0142 00). 1. Adjust wheel bearings if loose (WP 0189 00). 2. If damaged, replace wheel bearings (WP 0187 00 or WP 0188 00). Repair or replace torque rods (WP 0162 00). Repair or replace defective components (WP 0139 00 or WP 0141 00). 1. Repair or replace defective components (WP 0142 00). 2. If problem still exists, replace differential (WP 0454 00). 3. DIFFERENTIAL VIBRATES 1. Check tires and rims condition. 2. Check front axle shafts and universal joints for defects (WP 0142 00). Repair or replace defective components (WP 0186 00). 1. Repair or replace defective components (WP 0142 00). 2. If problem still exists, replace differential (WP 0454 00). 4. DIFFERENTIAL LEAKS OIL 1. Check axle seals condition. 2. Inspect drum for presence of gear oil. 3. Check housing for loose hardware. Replace seals, if defective (WP 0143 00). If gear oil is present in or around drums, replace axle seals (WP 0143 00). Tighten all loose hardware. TM 9-2320-361-24-1 0006 00 0006 00-15 MECHANICAL SYSTEMS TROUBLESHOOTING - UNIT (Contd) Table 11. Differential Troubleshooting Procedures (Contd).