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Mercury
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1998
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Grand Marquis V8-281 4.6L SFI
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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
Starts to Open
89-93°C (192-199°F)
Fully Open
104°C (219°F)