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Mercury
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1997
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Cougar/XR7 V6-3.8L VIN 4
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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
Starts to Open
90-93°C (193-200°F)
Fully Open
105°C (221°F)