6.7L Diesel

WARNING: This page is about a different car, the 2013 RAM 3500 HD and 2013 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

Thermostats for the Cummins diesel, while physically interchangeable, should not be mixed and matched. For model year 2013, the 6.7L diesel engine uses a 190° Fahrenheit thermostat. Confirm the temperature stamp on the thermostat rim prior to removal or installation.

WARNING:

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

Fig 1: Engine Cover, Bolts & Oil Dipstick

Courtesy of CHRYSLER GROUP, LLC

Disconnect both negative battery cables.
Remove the engine oil dip stick (3).
Remove fasteners (1) and the engine cover (2).
Drain the cooling system. Refer to STANDARD PROCEDURE .
Remove the EGR cooler cross over tube (1). Refer to TUBE, EXHAUST GAS RECIRCULATION (EGR), CROSSOVER, REMOVAL .
Remove the radiator hose clamp and hose from the thermostat housing.

Fig 2: ECT Sensor Shield & Bolts
Courtesy of CHRYSLER GROUP, LLC
Remove bolts (2) and the heat shield (1).

Fig 3: Thermostat Housing & Bolts
Courtesy of CHRYSLER GROUP, LLC
Remove bolts (1) and the thermostat housing (2).

Fig 4: Thermostat - 6.7L Diesel
Courtesy of CHRYSLER GROUP, LLC
Remove the thermostat (1) and discard O-ring seal (2).