TM 9-2320-366-34-1
2-40
1.
NO
YES
Cooling System Pressure
Test
START
Are expansion plugs free
from leaks and damage?
a8. ENGINE OVERHEATS
KNOWN INFO
CAUTION
Read CAUTION
on following page.
TEST OPTIONS
REASON FOR QUESTION
Coolant leaking from
expansion plugs will
reduce efficiency of engine
block cooling and may
cause overheating.
Engine oil level OK.
Water temperature
gage OK.
Coolant level OK.
Radiator core free of
debris.
Upper and lower radiator
hoses OK.
Radiator cap OK.
Radiator overflow tank and
hoses OK.
Radiator OK.
Fan shroud OK.
Charge air cooler OK.
POSSIBLE PROBLEMS
Damaged expansion plugs.
Damaged cylinder head
gasket.
Replace engine assembly
(para 3-3).
INITIAL SETUP
Equipment Conditions
Engine shut down (TM 9-2320-366-10-1).
Cab raised (TM 9-2320-366-10-1).
Tools and Special Tools
Tool Kit, Genl Mech (Item 78, Appendix B)
Adapter, Radiator (TM 9-2320-366-20)
Pressure Tester, Radiator (Item 49, Appendix B)
