Kia Sorento: Thermostat Inspection

1.	Immerse the thermostat in water and gradually heat the water.

Check the valve opening temperature.

Valve opening temperature: 82°C (177°F)

Full opening temperature: 95°C (205°F)

If the valve opening temperature is not as specified, replace the thermostat.

Check the valve lift.

Valve lift : 8 mm (0.3 in) or more at 95°C (205°F)

If the valve lift is not as specified, replace the thermostat.

Removal of the thermostat would have an adverse effect, causing a lowering of cooling efficiency. Do not remove the ther ...

Symptoms Possible Causes Remedy Coolant leakage • From the thermostat gasket Check the mounting bolts ...

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