300 V6-3.5L (2008)
Thermostat: Service and Repair
Engine Coolant Thermostat - Removal
3.5L ENGINE
1. Disconnect negative cable.
WARNING: Do not remove pressure cap with the system hot and under pressure because serious burns from coolant can occur.
2. Drain cooling system See: Service and Repair.
3. Raise vehicle on hoist.
4. Disconnect electrical connectors from engine oil and power steering pressure switches.
5. Disconnect radiator and heater hoses from thermostat housing.
6. Remove thermostat housing bolts.
7. Remove housing, thermostat, and gasket.
NOTE: The OEM thermostat is staked in place at the factory. To ensure proper seating of replacement thermostat, carefully remove the
bulged metal from the thermostat housing using a suitable hand held grinder. It is not necessary to restake the replacement thermostat
into the thermostat housing.
