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

Fig 1: Thermostat Housing & Mounting Bolts

Courtesy of CHRYSLER GROUP, LLC

1. Position the thermostat on the front cover with the vent at the 12 o'clock position.
2. Install the thermostat housing (2). Tighten the bolts (1) to 28 N.m (248 in. lbs.).
3. Install the radiator hose onto the thermostat housing.
4. Fill the cooling system. Refer to STANDARD PROCEDURE .
5. Connect negative battery cable.
6. Install the air intake system. Refer to BODY, AIR CLEANER, INSTALLATION for 5.7L or BODY, AIR CLEANER, INSTALLATION for 6.4L.
7. Start and warm the engine. Check for leaks. Refer to DIAGNOSIS AND TESTING .