TM 5-3805-248-23-1
ENGINE, EXHAUST AND COOLING SYSTEM TROUBLESHOOTING PROCEDURES - CONTINUED
0009 00
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
25. Loss of Coolant.
1.
Use a pressure tester to inspect cooling
Repair any leaks. If damaged, replace
system for leaks.
cylinder head and/or spacer plate and
gaskets (WP 0259 00).
2.
Check cylinder head and spacer plate
for defective gaskets. Also inspect
cylinder head and spacer plate (WP
0259 00).
3.
Visually check for cracked cylinder
If damaged, replace cylinder head or
liners or block.
engine assembly (WP 0257 00).
a. Remove cylinder head (WP 0259
00).
b. Visually inspect cylinder head and
block.
26. Heater Fan Operates, but
1.
Check for shut flow control valve to
Open flow control valve to heater
No Heat Comes from
heater assembly.
assembly.
Heater.
SHUT-OFF VALVE
394-1653
2.
Inspect all heater hoses from engine
If leaking, ruptured or broken, replace.
compartment to heater.
3.
1. Replace thermostat as needed (WP 0046
END OF WORK PACKAGE