Coolant Temperature Above Normal - Gradual Overheat
Cause Corrections
----------
Coolant Level Low
OK
f
Inspect for external leaks on engine and
radiator and make repairs. Add coolant.
Refer to Procedure 1-09.
----------
Charge Air Cooler Fins or Radiator Fins,
Freon Condenser Fins Damaged or Ob-
structed With External Debris, Insects, Dirt,
etc.
OK
f
Inspect radiator fins. Refer to Procedure 1-16.
----------
Cold Weather Radiator Cover or
Winterfront Closed
OK
f
Open cold weather radiator cover or
winterfront.
----------
Radiator Hose Collapsed, Restricted,
or Leaking
OK
f
Inspect hoses. Refer to Procedure 1-12.
----------
Fan Drive Belt and/or Water Pump Belt
Loose
OK
f
Check belt tension and tighten if
necessary. Refer to Procedures 1-21
and 1-25.
----------
Oil Level Incorrect
OK
f
Add or drain engine oil. Refer to Proce-
dures 2-06 and 2-07. Check dipstick
calibration. Refer to Procedure 2-10.
----------
Cooling Fan Shroud Damaged or
Missing. Air Recirculation Baffles
Damaged or Missing
OK
f
Inspect shroud and/or recirculation baffles.
Repair, replace, or install. Refer to Procedure
1-19. Refer to Vehicle Manufacturer’s service
manual.
(Continued)
Troubleshooting Symptoms Charts SectionT-Troubleshooting
N14Page T-14
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