- Engine overheated
- Thermogauge indicates 'HIGH'
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Visually check after removing the radiator cap.
- Insufficient coolant or leakage. *Be careful when removing the radiator cap of the overheated vehicle.
- Check air in cooling system.
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- After refilling coolant, recheck.
- Check the cylinder head gaskets for damage and the tightening torque of the mounting bolts.
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Check KDS & engine start
- Check DTCs
- Check the fan motor performance as temperature varies.
- Check if the fan clutch slips.
- Check for water pump adherence and damaged impeller.
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- Check the engine coolant sensor, wiring and connectors.
- Check the fan motor, the relay and the connector.
- Replace the fan clutch, if it doesn't work properly.
- Replace the water pump, if it doesn't work properly.
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Immerse the thermostat in boiling water and inspect.
- After removing the thermostat, check if it works properly.
* Check the thermostat opens at the valve opening temperature. |
Replace the thermostat, if it doesn't work properly. |