GS 450h V6-3.5L (2GR-FSE) Hybrid (2007)
Thermostat: Specifications
THERMOSTAT
Standard valve opening temperature ....................................................................................................................................... 80 to 84°C (176 to 183°F)
Standard valve lift ........................................................................................................................................ 8.0 mm (0.315 in.) or more at 95°C (203°F)
Check that the valve is fully closed when the water inlet with thermostat is at low temperature (below 40°C (104°F)).