TM 10-3930-675-24-1
TROUBLESHOOTING PROCEDURES (NON-ERROR CODE) - CONTINUED
0007 00
Table 1. Engine Troubleshooting Procedures (Non-Error Code) - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
14. Engine Overheats.
1. Coolant level low.
Fill the coolant to the proper level
in the coolant expansion tank
2. Check engine oil level.
Verify engine oil is not overfilled
3. Check radiator, radiator cap, a. Clean dirt and debris from
radiator and louvers.
and louvers for damage or
obstructions.
b. Replace leaking radiator cap
(WP 0064 00).
c. Replace louvers (WP 0219 00).
4. Check coolant system for a. Inspect and tighten any loose
clamps.
loose, damaged, leaking, or
collapsed hoses.
b. Replace any damaged, leaking,
or collapsed hoses (WP 0065
00).
c. Replace damaged or cracked
coolant expansion tank (WP
0066 00).
5. Check cooling fan operation. a. Start engine and enter into
"EXTRA FUNCT" 11(13) in
grates and observe if fan is
the diagnostic menu. Change
turning while the engine is
the fan speed and observe if
running.
fan speed changes properly
(0%, 33%, 66%, and 100%).
b. If fan does not change speeds,
check hydraulic pressure of
engine driven pump (WP 0214
00).
6. Check status of fording switch. a. Enter into "EXTRA FUNCT"
4(13) in the diagnostic menu.
"WATER LEVEL" should
indicate "1".
b. If "0" is indicated, perform
troubleshooting of fording
29).
0007 00-14