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Page Title:
ENGINE WATER TEMPERATURE BELOW NORMAL - continued |
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 TM 10-3930-673-20-1
13. ENGINE WATER TEMPERATURE BELOW NORMAL (CONT).
2
KNOWN INFO
TEST OPTIONS
Indicated engine water
Visual inspection.
Is engine coolant flowing by
temperature is continuously
REASON FOR QUESTION
below normal 180 to
temperature sensor?
If coolant is not flowing by sensor,
210 degrees F operating range.
water temperature will read
Thermostat OK.
below normal.
Engine water temperature switch
OK.
Engine water temperature gage
OK.
POSSIBLE PROBLEMS
Coolant not flowing by temperature
sensor.
Flush and refill
NO
coolant system
(Para 7-2).
YES
Go to Electrical System
Troubleshooting Fault
38, Temperature gage
does not operate.
2-680
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