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.
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