TM-9-2320-387-24-1

TRUCK, UTILITY: S250 SHELTER CARRIER, 4X4, M1113

TECHNICAL MANUAL; UNIT, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE, VOLUME 1

DECEMBER 1997

CHANGE 1

TM-9-2320-387-24-1 - Page 212 of 1205

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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