d1. ENGINE OVERHEATS
1.
KNOWN INFO
TEST OPTIONS
YES
NO
WARNING
CAUTION
Read WARNING and
CAUTION on
following page.
Replace radiator (para 6-2).
Visual Inspection
REASON FOR QUESTION
If leaks or damage are present,
radiator is faulty.
Is radiator secure and free
from damage?
Faulty radiator.
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 charge air cooler.
Faulty water pump.
Faulty thermostat.
Faulty fan clutch.
POSSIBLE PROBLEMS
Coolant level OK.
Radiator core free of debris.
WATER TEMP gage OK.
TM 9-2320-365-20-1
2-130 Change 1
INITIAL SETUP
Equipment Conditions
Engine shut down (TM 9-2320-365-10).
Tools and Special Tools
Tool Kit, Genl Mech (Item 44, Appendix C)
Test Kit, Radiator (Item 40.1, Appendix C)
Pressure Tester, Radiator (Item 26, Appendix C)
Pan, Drain (Item 24, Appendix C)
Wrench, Torque, 0-200 lb-in. (Item 58, Appendix C)
Personnel Required
(2)
START
Perform Engine System Troubleshooting a9. Engine
Overheats prior to beginning this task.
NOTE
