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GMC Truck
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1999
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C 2500 Truck 2WD V8-5.7L VIN R
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Repair and Diagnosis
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Engine, Cooling and Exhaust
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Cooling System
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Description and Operation
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Thermostat Description
Thermostat Description
The
cooling system
uses a wax pellet-type thermostat. The thermostat performs the following functions:
^
Controls the flow of coolant
^
Provides fast engine warm-up
^
Regulates the coolant temperature