RAM 2500 Truck 4WD L6-6.7L DSL Turbo VIN A (2007)
Thermostat: Service and Repair
Installation
6.7L DIESEL ENGINE
NOTE: The thermostat for 5.9L engine and the 6.7L are different and are not interchangeable. Use caution when replacing the thermostat to
ensure the proper part number is reinstalled.
1. Inspect thermostat seal for cuts or nicks. Replace if damaged.
2. Install the thermostat into the groove in the top of the cylinder head.
3. Install the thermostat housing and bolts (5). Tighten the bolts to 10 Nm (89 in. lbs.).
4. Install heat shield. Tighten bolts to 9 Nm (79 in. lbs.).
5. Install exhaust pressure tube (4). Tighten to 10 Nm (88 in. lbs.).
6. Connect exhaust pressure sensor electrical connector (2).
7. Install EGR cross over tube (1).
8. Install P-clip and bolt. Tighten to 8 Nm (70 in. lbs.).
9. Install the radiator upper hose and clamp.
10. Fill the cooling system with coolant.
11. Connect the battery negative cables.
12. Start the engine and check for coolant leaks. Run engine to check for proper thermostat operation.
