Engine Cooling - TDV6 3.0L Diesel/TDV6 3.0L Diesel - Gen 1.5/TDV6 3.0L Diesel - Gen 2 (G1950019): Operation: Thermostat

The thermostat is closed at temperatures below approximately 82°C (179°F). When the coolant temperature reaches approximately 82°C (179°F) the thermostat starts to open and is fully open at approximately 96°C (204°F). In this condition the full flow of coolant is directed through the radiator.