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TM 9-2320-366-20-1
d1. ENGINE OVERHEATS (CONT)
WARNING
CAUTION
Read WARNING and
CAUTION on
KNOWN INFO
TEST OPTIONS
following page.
2.
Visual Inspection
Coolant level OK.
Radiator core free of debris.
Does cooling system
REASON FOR QUESTION
WATER TEMP gage OK.
maintain pressure?
This question eliminates
Radiator OK.
possible problems and
determines where
POSSIBLE PROBLEMS
troubleshooting continues.
Faulty upper and lower coolant
hoses.
Faulty radiator cap.
Faulty radiator overflow tank
NO
and hoses.
Loss of pressure in cooling
system.
Faulty radiator fan shroud.
Faulty water pump.
Faulty thermostat.
Faulty fan clutch.
YES
Go to step 7 of this fault.
2-140
Change 2
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