LEMON Manuals: Even more car manuals for everyone
Home >> Dodge and Ram >> 2009 >> Durango 4WD V8-4.7L >> Repair and Diagnosis >> Engine, Cooling and Exhaust >> Cooling System >> Thermostat >> Description and Operation >> Engine Coolant Thermostat - Operation

Engine Coolant Thermostat - Operation






THERMOSTAT





The wax pellet is located in a sealed container (3) at the spring end (4) of the thermostat. When heated, the pellet expands, overcoming the closing spring tension and water pump pressure to force the valve to open.