TM-9-2320-387-24 HMMWV Direct Support & General Support Maintenance Manual Volume 1 Download
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TM 9-2320-387-24-l ENGINE RUNNING KNOWN INFO ENGINE RUNS NO ABNORMAL NOISES OR VIBRATIONS EXHAUST OK COMPRESSION OK POSSIBLE PROBLEMS 1 FUEL SYSTEM COOLING SYSTEM ELECTRICAL SYSTEM KNOWN INFO ENGINE RUNS NO ABNORMAL NOISES OR VIBRATIONS EXHAUST OK COMPRESSION OK ENGINE POWER OK POSSIBLE PROBLEMS COOLING SYSTEM FUEL SYSTEM KNOWN INFO MOST SYSTEMS SEEM TO BE RUNNING OK. POSSIBLE PROBLEMS DRIVETRAIN DOES THE ENGINE OPERATE AT NORMAL TEMPERATURE ? DIAGNOSTIC FLOWCHART T OPTIONS 1. CHECK TEMPERATURE GAUGE. 2. RUN ENGINE COOLING TESTS (Page 2-159). REASON FOR QUESTION A hot or cold engine may run rough and cause problems later