Thermostat Inspection

Engine Hybrid System. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25
2Kd-Ftv Cooling. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25

  1. INSPECT THERMOSTAT

Thermostat -- Inspection



1. INSPECT THERMOSTAT

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

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

  1. Check the valve opening temperature.

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


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.2Kd-Ftv Cooling.Cooling System.Thermostat Inspection

  1. Check the valve lift.

    Standard valve lift:
    10 mm (0.394 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 is below 77°C (171°F).
    If the valve is not fully closed, replace the thermostat.