Thermostat Inspection

Engine. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35
3Zr-Fae Cooling. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35

  1. INSPECT THERMOSTAT

Thermostat -- Inspection



1. INSPECT THERMOSTAT


Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.3Zr-Fae Cooling.Cooling System.Thermostat Inspection
HINT:
The valve opening temperature is inscribed on the thermostat.


    Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.3Zr-Fae Cooling.Cooling System.Thermostat Inspection

  1. Immerse the thermostat in water and then gradually heat the water.

  1. Check the valve opening temperature of the thermostat.

    Valve opening temperature:
    80 to 84°C (176 to 183°F)
    If the valve opening temperature is not as specified, replace the thermostat.


    Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.3Zr-Fae Cooling.Cooling System.Thermostat Inspection

  1. Check the valve lift.

    Valve lift:
    10 mm (0.394 in.) or more at 95°C (203°F)
    If the valve lift is not as specified, replace the thermostat.

  1. Check that the valve is fully closed when the thermostat is at low temperatures (below 77°C (171°F)).
    If it is not fully closed, replace the thermostat.