2NZ-FE COOLING  THERMOSTAT  INSPECTION  


PROCEDURE

Hide 16331A 1.INSPECT THERMOSTAT

HINT:
P013560

The valve opening temperature is inscribed on the thermostat.


a.

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


b.

Check that the valve of the thermostat opens at the specified temperature.

Standard Valve Opening Temperature:

80 to 84°C (176 to 183°F)


If the valve does not open as specified, replace the thermostat.


c.
A085445
2.146,1.573 2.458,1.729 0.313,0.156 10 *a
*a Valve Lift


Check the valve lift.

Standard Valve Lift:

8.5 mm (0.335 in.) or more at 95°C (203°F)


If the valve lift is not as specified, replace the thermostat.


d.

Check that the valve is fully closed when the thermostat is at low temperatures (below 77°C (171°F)).

If not fully closed, replace the thermostat.