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Ford
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2008
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Expedition 4WD V8-5.4L
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Repair and Diagnosis
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Engine, Cooling and Exhaust
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Cooling System
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Thermostat
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Specifications
Thermostat: Specifications
Thermostat Opening Temperatures
Fully open
97.8-101.7° C (208-215° F)
Starts to open
86.7-90.6° C (188-195° F)