TM9-2320-361-34 Table 2-1. Mechanical Troubleshooting (Contd). MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION Step 2. Check axle housing condition. Inspect axle housing for external evidence of gear oil. a. If axle housing has pinhole leaks, repair (TM 9-237) or replace axle housing (paras. 10-2 and 10-8). b. If axle housing is cracked or damaged, replace (paras. 10-2 and 10-8). END OF TESTING! 40. ABNORMAL TIRE WEAR (FRONT AXLE) Check steering knuckle sleeve bushings condition and end play (para. 10-6). a. If steering knuckle sleeve bushings are defective, replace (para. 10-6). b. If steering knuckle end play is excessive, adjust (replace with correct shim) (para. 10-6). c. If steering knuckle end play remains excessive, replace sleeves or axle housing (para. 10-6 or 10-2). END OF TESTING! 41. ABNORMAL TIRE WEAR (REAR AXLE) Check rear end frame and suspension alinement (para. 13-3). If alinement is incorrect, adjust (para. 13-3). END OF TESTING! STEERING GEAR 42. EXCESSIVE PLAY IN STEERING Step 1. Check steering knuckle condition for defects (malfunction 40). Step 2. Check steering gear condition for defects. Inspect for excessive play (TM 9-2320-361-20 and para. 12-3). a. If steering gear play is excessive, adjust (TM 9-2320-361-20). b. If steering gear play remains excessive, replace or repair (para. 12-2 or 12-3). END OF TESTING! 43. STEERING GEAR LEAKING OIL Check oil leak and verify location. a. If oil leak is at cover gasket, replace gasket (para. 12-3). b. If oil leak is at pitman shaft oil seal, disassemble steering gear and inspect pitman shaft and bushing (para. 12-3). Replace defective components (para. 12-3). END OF TESTING! 44. STEERING WHEEL HARD TO TURN Check front axle for defective steering knuckle bushings (para. 10-6). Replace steering knuckle bushings if defective (para. 10-6). END OF TESTING! 2-22
