TM 9-2320-365-34-1
2-40
NO
YES
2.
Is cylinder head gasket
free from leaks?
Cylinder Head Test
Replace cylinder
head gasket
(para 3-6).
KNOWN INFO
Damaged cylinder head
gasket.
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Coolant leaking from
cylinder head gasket will
reduce efficiency of
cooling system and may
cause overheating.
CAUTION
Read CAUTION
on following page.
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.
Expansion plugs OK.
Replace engine assembly
(para 3-3).
a8. ENGINE OVERHEATS (CONT)
