THERMOSTAT INSPECTION

PROCEDURE

  1. INSPECT THERMOSTAT

    P013560
    Tip:

    The valve opening temperature is inscribed on the thermostat.

    1. P000436

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

    2. 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.

    3. A085445C01

      *a

      Valve Lift

      Check the valve lift.

      Standard Valve Lift

      10 mm (0.39 in.) or more at 82°C (180°F)

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

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

      If the valve is not fully closed, replace the thermostat.