6.7L Diesel
WARNING: This page is about a different car, the 2012 RAM Pickup and 2012 RAM Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
| 1 - EGR CROSSOVER TUBE |
| 2 - THERMOSTAT HOUSING |
| 3 - EXHAUST GAS PRESSURE SENSOR CONNECTOR |
| 4 - EXHAUST GAS PRESSURE TUBE |
| 5 - MOUNTING BOLT |
NOTE:
Thermostats for the Cummins diesel, while physically interchangeable, should not be mixed and matched. For model year 2010 and forward, the 6.7L diesel engine uses a 200° 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.
- Disconnect the battery negative cables.
- Remove the vent plug near EGR cooler.
- Drain the cooling system until the coolant level is below the thermostat. Refer to STANDARD PROCEDURE .
- Disconnect the exhaust gas pressure sensor electrical connector (3).
- Remove the exhaust pressure tube (4) from the thermostat housing.
- Remove the EGR cooler cross over tube (1).
- Remove the radiator hose clamp and hose from the thermostat housing (1).
- Remove the heat shield.
- Remove the three water outlet-to-cylinder head bolts (5) and remove the water outlet connector.
- Clean the mating surfaces of the thermostat housing (1) and clean the thermostat seat groove at the top of the thermostat housing (1).