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Home >> GMC >> 2007 >> Sierra 3500 4WD V8-6.0L >> Repair and Diagnosis >> Engine, Cooling and Exhaust >> Cooling System >> Thermostat >> Specifications

Thermostat: Specifications

The thermostat should begin to open 87°C (188°F).
The thermostat should be fully open 97°C (206°F)

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