THERMOSTAT INSPECTION [WITHOUT CYLINDER DEACTIVATION (SKYACTIV-G 2.0, SKYACTIV-G 2.5)]


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1.  Remove the thermostat. (See THERMOSTAT REMOVAL/INSTALLATION [WITHOUT CYLINDER DEACTIVATION (SKYACTIV-G 2.0, SKYACTIV-G 2.5)].)

2.  Visually check that the thermostat valve is closed.

3.  Place the thermostat in water.

Warning
•  During inspection, the thermostat and water are extremely hot and can cause severe burns. Do not touch the thermostat and water.

4.  Heat the water and check the following.

•  Opening temperature and valve lift
―  If there is a malfunction, replace the thermostat.
Thermostat initial-opening temperature
86.5—89.5 °C {188—193 °F}
Thermostat full-open temperature
100 °C {212 °F}
Thermostat full-open lift
8.5 mm {0.33 in} or more