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Troubleshooting

Problem Possible cause Remedy Page
Engine overheats Dirt, leaves or insects in radiator or condenser Clean radiator or condenser Radiator
Hoses, water pump, thermostat housing, radiator, heater, core plugs or head gasket leakage Repair as necessary
Thermostat faulty Check thermostat Thermostat
Incorrect ignition timing Reset timing Installation of distributor
Electric cooling system faulty Inspect electric cooling system On-vehicle inspection
Radiator hose plugged or rotted Replace hose
Water pump faulty Replace water pump Water pump
Radiator plugged or cap faulty Check radiator and cap Radiator
Cylinder head or block cracked or water passage clogged Repair as necessary

Hint

Removal of the thermostat would have an adverse effect, causing a lowering of cooling efficiency. Do not remove the thermostat, even if the engine tends to overheat.