THERMOSTAT INSPECTION[AJ (3.0L Duratec)]

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1. Inspect the thermostat for the following.

Warning

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

• The valve should not open under normal temperature.

• Opening temperature and valve lift

― If there is a malfunction, replace the thermostat.

Thermostat initial-opening temperature

84—88 °C {184—190 °F}

Thermostat full-open temperature

99 °C {210 °F}

Thermostat full-open lift

More than 7.3 mm {0.29 in}