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Ford Truck
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2009
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Ranger 2WD V6-4.0L
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Repair and Diagnosis
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Specifications
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Pressure, Vacuum and Temperature Specifications
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Thermostat, Engine Cooling
Thermostat, Engine Cooling
Thermostat Opening Temperature - 4.0L
Fully Open
106 °C (223 °F)
Starts To Open
90 - 94 °C (194 - 201 °F)