Thermostat, Engine Cooling

Valve opening temperature 82.5°C (179.6 ± 2.7°F)
Full opening temperature 95°C (203°F)
If the valve opening temperature is not as specified, replace the thermostat.
Check the valve lift.
Valve lift 8 mm (0.3 inch) or more at 95°C (203°F)
If the valve lift is not as specified, replace the thermostat.