gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Thermostat, Engine Cooling|Specifications|Page 3309 > < Engine - MIL ON P0116/P1400 Set In Very Cold Temps|Page 3305
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Thermostat: Specifications

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

Thermostat, Engine Cooling|Specifications|Page 3309 > < Engine - MIL ON P0116/P1400 Set In Very Cold Temps|Page 3305