Thermostat Inspection

Engine Hybrid System. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25
2Tr-Fe Cooling. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25

  1. INSPECT THERMOSTAT

Thermostat -- Inspection



1. INSPECT THERMOSTAT


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.2Tr-Fe Cooling.Cooling System.Thermostat Inspection
HINT:
The valve opening temperature is inscribed on the thermostat.

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

  1. Check the valve opening temperature of the thermostat.

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


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.2Tr-Fe Cooling.Cooling System.Thermostat Inspection

  1. Check the valve lift.

    Standard valve lift:
    8.5 mm (0.335 in.) or more at 95°C (203°F)
    Text in Illustration
    *1
    		Valve Lift
    If the valve lift is not as specified, replace the thermostat.

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