Coolant Loss - External
Cause Corrections
----------
Coolant Level High
OK
f
Check coolant level. Refer to the
manufacturer for specifications.
----------
Visually Inspect For Leaks: Hoses, Hose
Clamps, Coolant Draincocks, Water Manifold
Jumper Tubes, Expansion Plugs, Pipe Plugs,
Fittings, Radiator Core, Air Compressor
and/or Cylinder Head Gaskets, Lubricating
Oil Cooler, Water Pump Seal, Fuel Heater,
Torque Converter Cooler, Transmission
Cooler, etc.
OK
f
Tighten or replace if necessary. If neces-
sary, pressure test the cooling system.
Refer to Procedure 1-11.
----------
Radiator Cap Incorrect or Malfunctioning
OK
f
Check the radiator pressure cap. Refer
to Procedure 1-15.
----------
Combustion Gases or Air Entering the
Cooling System
OK
f
To check, refer to Procedure 1-10.
----------
Engine Overheating
Refer to ‘‘Coolant Temperature Above
Normal’’ chart.
Troubleshooting Symptoms Charts SectionT-Troubleshooting
N14Page T-12
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