Inspection [10/2014 - ]: Procedure

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HINT: 

The valve opening temperature is inscribed on the water inlet with thermostat sub-assembly.

1. Immerse the water inlet with thermostat sub-assembly in water and then gradually heat the water.
2. Check the valve opening temperature of the water inlet with thermostat sub-assembly.

   Standard Valve Opening Temperature

   80 to 84°C (176 to 183°F)

   HINT: 

   If the valve opening temperature is not as specified, replace the water inlet with thermostat sub-assembly.

3. Check the valve lift.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   TEXT IN ILLUSTRATION
   
   

   *a	Valve Lift

   Standard Valve Lift

   10 to 11.3 mm (0.394 to 0.445 in.) at 95°C (203°F)

   HINT: 

   If the valve lift is not as specified, replace the water inlet with thermostat sub-assembly.

4. Check that the valve is fully closed when the water inlet with thermostat sub-assembly is at low temperatures (below 77°C (171°F)).

   HINT: 

   If it is not fully closed, replace the water inlet with thermostat sub-assembly.