TM 9-2320-386-10 3-2 3-2. GENERAL (Contd) WARNING • Operation of a deadlined vehicle, without preliminary inspection, may cause injury to personnel and/or damage to equipment. • Hearing protection is required for the driver and co-driver. Hearing protection is also required for all personnel working in and around this vehicle while the engine is running (reference AR 40-5 and TB MED 501). NOTE Operators should perform the corrective action in the order listed until the malfunction is corrected. If none of the steps correct the malfunction, notify unit maintenance. b. Omissions. This manual cannot list all malfunctions that may occur. If a malfunction occurs that is not listed in table 3-1, notify unit maintenance. c. Symptom Index. To find a specific malfunction, refer to the symptom index. MALFUNCTION NO. MALFUNCTION TROUBLESHOOTING PROCEDURE PAGE 3-3. TROUBLESHOOTING SYMPTOM INDEX ENGINE 1. Engine starter switch is engaged but engine fails to start ......... 3-4 2. Engine cranks but does not start ........................... 3-5 3. Engine cranks but fails to start at outside temperatures below 0°F (-18°C) .................................... 3-5 4. Engine starts but misfires, runs rough, or lacks power ........... 3-6 5. Engine overheats as indicated by engine coolant temperature gauge ................................... 3-7 6. Low engine oil pressure ................................. 3-7 7. Excessive exhaust smoke after engine reaches normal operating temperature of 160°F to 230°F (71°C to 110°C) ............... 3-7 TRANSMISSION 8. No response to gear shift lever movement .................... 3-8 9. Rough shifting ........................................ 3-8 10. Lubricant leakage ..................................... 3-8 TRANSFER CASE 11. Transfer case shift lever will not shift or slips out of gear ........................................ 3-8 12. Transfer case lubricant leakage ............................ 3-8 FRONT AND REAR AXLES 13. Front axle is noisy ..................................... 3-8 14. Rear axle is noisy ...................................... 3-8