TM-9-2320-365-20-1

M1078 SERIES, 2 1/2-TON, 4 X 4, LIGHT MEDIUM TACTICAL VEHICLES (LMTV)

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

FEBRUARY 2006

CHANGE 3

TM-9-2320-365-20-1 - Page 161 of 1760

TM 9-2320-365-20-1

TM 9-2320-365-20-1

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HEAD GASKET TEST

(1) Remove radiator cap.

(2) Start engine (TM 9-2320-365-10).

NOTE

Air bubbles in the

coolant are a sign

of probable leakage

at the head gasket.

(3) Look for air bubbles in coolant.

(4) Install radiator cap.

(5) Shut down engine (TM 9-2320-365-10).

(1)

Raise cab (TM 9-2320-365-10).

(2)

Check sides of engine block at cylinder head

for obvious signs of water leakage.

(3)

Lower cab (TM 9-2320-365-10).