Engine Cooling System: Engine: Thermostat: Removal: 5.7L/6.4L

Fig 1: Thermostat Housing & Mounting Bolts

Courtesy of CHRYSLER GROUP, LLC

WARNING:

Do not loosen the radiator draincock with the cooling system hot and pressurized. Serious burns from the coolant can occur.

Do not waste reusable coolant. If the solution is clean, drain the coolant into a clean container for reuse.

If the thermostat is being replaced, be sure that the replacement is the specified thermostat for the vehicle model and engine type.

NOTE:

Thermostat housing with an engine oil cooler similar.

Disconnect the negative battery cable.
Remove the air intake system. Refer to BODY, AIR CLEANER, REMOVAL or BODY, AIR CLEANER, REMOVAL, 5.7L or BODY, AIR CLEANER, REMOVAL .
Partially drain the cooling system. Refer to STANDARD PROCEDURE .
Remove the upper radiator hose at the thermostat housing (2) and position aside.
Remove the thermostat housing mounting bolts (1), thermostat housing (2) and thermostat.