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GMC Truck
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2009
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Savana 3500 V8-6.0L
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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 should begin to open at
87°C (188°F).
Thermostat should be fully open at
97°C (206°F).