Inspection After Removal

Check valve seating condition at ordinary room temperatures. It should seat tightly.

Check valve operation.

Fig 1: Checking Valve Operation

Courtesy of SUZUKI OF AMERICA CORP.

Place a thread so that it is caught in the valve of the thermostat. Immerse fully in a container filled with water. Heat while stirring.
The valve opening temperature is the temperature at which the valve opens and falls from the thread.
Continue heating. Check the full-open lift amount.

NOTE: The full-open lift amount standard temperature is the reference value.

After checking the full-open lift amount, lower the water temperature and check the valve closing temperature.

THERMOSTAT REFERENCE CHART

Thermostat	Standard
Valve opening temperature	Refer to [Service Data and Specifications ].
Full-open lift amount	Refer to [Service Data and Specifications ].
Valve closing temperature	Refer to [Service Data and Specifications ].

If valve seating at ordinary room temperature, or measured values are out of standard, replace water inlet and thermostat assembly.