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Home >> Hyundai >> 2003 >> Tiburon L4-2.0L >> Repair and Diagnosis >> Engine, Cooling and Exhaust >> Cooling System >> Engine - Coolant Temperature Sensor/Switch >> Service and Repair
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Engine - Coolant Temperature Sensor/Switch: Service and Repair

THERMOSTAT


THERMOSTAT 2.0L:






DISASSEMBLY AND INSPECTION
1. Drain the coolant so its level is below thermostat.
2. Remove the inlet fitting and gasket.
3. Remove the thermostat.







4. Immerse thermostat in hot coolant to check proper valve opening temperature. Replace if necessary.

Valve opening temperature:.....82 °C(177 °F)
Full opening temperature:......95 °C(205 °F)

COOLANT TEMPERATURE SENSOR
1. Heat the sensor by submerging it in hot engine coolant.
2. Check that the resistance is within the specified range.

Resistance
At: 20 °C(68 °F): 2.31 - 2.59 kg

REASSEMBLY
1. Check that the flange of the thermostat is correctly seated in the socket of the thermostat housing.
2. Install a new gasket and the coolant inlet fitting.
3. Refill the system with clean coolant.

Tightening torque
Coolant temperature sensor:.......20 - 40 Nm (200 - 400 kg.cm, 15 - 30 ft. lbs.)

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