Thermostat (FA20/For Engine Coolant)
Inspection1. Thermostat check
(1) Check that the valve is fully closed when the thermostat is at low temperature (83°C {181°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: 86 to 90°C {187 to 194°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 8.0 mm {0.315 in} or more
Full open temperature 95°C {203°F}
NOTE:
Replace the thermostat if the valve lift is outside the standard range.