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 COMPRESSION / MECHANICAL /BY KNOWN INFO ENGINE STARTS ABNORMAL NOISE OR VIBRATION POSSIBLE PROBLEMS. ENGINE MECHANICAL KNOWN INFO NOISE OR VIBRATION UNDER ALL CONDITION: POSSIBLE PROBLEMS ENGINE DRIVETRAIN S DOES THE NOISE OR VIBRATION CONTINUE WHEN THE VEHICLE IS STOPPED AND THE TRANS- MISSION IS IN NEUTRAL? CHECK THE fTEMS LISTED ON THE RIGHT HAND PAGE. IS EVERYTHING OK? DIAGNOSTIC FLOWCHART T OPTIONS DRIVE THE VEHICLE. REASON FOR QUESTION If the problem occurs only when the vehicle is being driven, it’s probably not an engine problem. T OPTlONS LOOK, LISTEN. AND FEEL REPLACE THE FAULTY COMPONENT(S) IF AUTHORIZED. OTHERWISE, NOTlFY DB REASON FOR QUESTION There are many problems that can cause noise or vibration. 2-l 54