Thermostat (FA20/Transmission A/T)

Inspection

1. Water inlet housing gasket (with thermostat) check
(1) Check that the valve is fully closed when the thermostat is at low temperature (45°C {113°F} or less).

NOTE:
Replace the thermostat if the valve is not fully closed.





(2) Immerse the thermostat in water and heat it gradually.

NOTE:
Hold the thermostat with a wire or the like to avoid contacting with container bottom.

(3) Check the temperature when the valve starts to open.
Standard value: 48 to 52°C {118 to 126°F}

NOTE:
Replace the thermostat if the temperature when the valve opens is outside the standard range.





(4) Check the valve lift.

Captions in illustration





Standard value: Lift 6.0mm {0.236in} or more
Full open temperature 63°C {145°F}

NOTE:
Replace the thermostat if the valve lift is outside the standard range.