TM-9-2320-366-20-1

M1083 SERIES, 5 TON, 6x6, MEDIUM TACTICAL VEHICLES (MTV)

TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS; UNIT MAINTENANCE; VOLUME NO. 1 OF 5

FEBRUARY 2006

CHANGE 3

TM-9-2320-366-20-1 - Page 260 of 1824

KNOWN INFO

TEST OPTIONS

NO

YES

2.

d1. ENGINE OVERHEATS (CONT)

WARNING

CAUTION

Read WARNING and

CAUTION on

following page.

Does cooling system

maintain pressure?

TM 9-2320-366-20-1

Go to step 7 of this fault.

2-140

Change 2

Coolant level OK.

Radiator core free of debris.

WATER TEMP gage OK.

Radiator OK.

POSSIBLE PROBLEMS

Faulty upper and lower coolant

hoses.

Faulty radiator cap.

Faulty radiator overflow tank

and hoses.

Loss of pressure in cooling

system.

Faulty radiator fan shroud.

Faulty water pump.

Faulty thermostat.

Faulty fan clutch.

REASON FOR QUESTION

This question eliminates

possible problems and

determines where

troubleshooting continues.

Visual Inspection