TM-9-2320-366-20-1 MTV Unit Maintenance Manual M1083 Series - Volume 1 Download
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KNOWN INFO TEST OPTIONS NO YES d1. ENGINE OVERHEATS (CONT) WARNING CAUTION Read WARNING and CAUTION on following page. Visual Inspection REASON FOR QUESTION Perform Cooling System Troubleshooting (d2. Oil in Cooling System). Replace upper coolant hose (para 6-9), lower coolant hose (para 6-10), radiator overflow tank hose(s), or radiator overflow tank (para 6-3). If external leaks are present, upper coolant hose, lower coolant hose, radiator overflow tank hose(s), or radiator overflow tank is faulty. Does cooling system leak externally? TM 9-2320-366-20-1 7. Coolant level OK. Radiator core free of debris. WATER TEMP gage OK. Radiator OK. Loss of pressure in cooling system. Radiator fan shroud OK. Water pump OK. Thermostat OK. Fan clutch OK. POSSIBLE PROBLEMS Faulty upper and lower coolant hoses. Faulty radiator cap. Faulty radiator overflow tank and hoses. 2-148 Change 2