Troubleshooting assistant

Pick a problem area, choose the symptom, then follow the remedy links or step-by-step TSRM procedure.

Diagnostic codes

Areas /Engine overheats

Cooling System

Engine overheats

Cooling system table for engine overheating.

Possible causes and remedies

Possible cause

Alternator drive belt loose or missing

Remedy

Adjust or replace belt

CH-3

Possible cause

Dirt, leaves or insects in radiator or condenser

Remedy

Clean radiator or condenser

Possible cause

Hoses, water pump, water outlet housing, radiator, heater, core plugs or head gasket leakage

Remedy

Repair as necessary

Possible cause

Thermostat faulty

Remedy

Check thermostat

CO-8

Possible cause

Ignition timing retarded

Remedy

Set timing

IG-20

Possible cause

Fluid coupling faulty

Remedy

Replace fluid coupling

CO-6

Possible cause

Radiator hose plugged or rotted

Remedy

Replace hose

Possible cause

Water pump faulty

Remedy

Replace water pump

CO-6

Possible cause

Radiator plugged or cap faulty

Remedy

Check radiator

CO-9

Possible cause

Cylinder head or block cracked or plugged

Remedy

Repair as necessary

Troubleshooting assistant

Engine overheats

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