FixVault

Service Data

WARNING: This page is about a different car, the 2005 Toyota Tundra. However, it is still accessible from the selected car via links, so may be relevant.
Service Data - Cooling [2UZ-FE]

Thermostat Valve opening temperature 80 to 84°C (176 to 183°F)
Valve lift at 95°C (203°F) 10 mm (0.39 in.) or more
Radiator cap Relief valve opening pressure Standard 74 to 103 kPa (0.75 to 1.05kgf/cm2 , 10.7 to 14.9 psi)
Minimum 59 kPa (0.6 kgf/cm2 , 8.6 psi)