Durango 2WD V8-5.7L Hybrid (2009)
Thermostat: Description and 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.
