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Page Title:
ENGINE WATER TEMPERATURE ABOVE NORMAL - continued |
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 TM 10-3930-673-20-1
14. ENGINE WATER TEMPERATURE ABOVE NORMAL (CONT).
8
KNOWN INFO
TEST OPTIONS
Indicated engine water
Visual inspection.
Does coolant flow freely
temperature is continuously
REASON FOR QUESTION
above normal 180 to
through the cooling passages
If cooling passages blocked,
210 degrees F operating range.
of the system?
engine will overheat.
Engine coolant level OK.
Air flow across radiator adequate.
Fan drive belt OK.
Radiator cap OK.
Radiator hose(s) OK.
Thermostat OK.
Water pump OK.
POSSIBLE PROBLEMS
Cooling passages in cooling
system blocked.
Flush and refill
NO
coolant system
(Para 7-2).
YES
Notify Direct
Support about this
fault.
2-690
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