Sonata V6-2.7L (2004)
Thermostat: Service and Repair
REMOVAL
1. Drain the coolant to thermostat level or below.
2. Remove the inlet fitting and gasket.
3. Remove the thermostat.
INSPECTION
1. Heat the thermostat as shown in the illustration.
2. Check that the valve operates properly.
3. Verify the temperature at which the valve begins to open.
Valve opening temperature: 80 - 84°C (176 - 183.2°F)
Full opening temperature: 95°C (203°C)
INSTALLATION
1. Check that the flange of the thermostat is correctly placed in the socket of the thermostat housing.
