INSTALLATION
3.7L ENGINE
1. Clean mating areas of timing chain cover and thermostat housing.
2. Install thermostat (spring side down) into recessed machined groove on housing assembly. Make sure rubber seal locating tab is positioned in the corresponding notch in the housing.
3. Position thermostat housing on timing chain cover.
4. Install two housing-to-timing chain cover bolts. Tighten bolts to 12 N·m (105 in. lbs.) torque.
5. Install lower radiator hose on thermostat housing.
6. Install splash shield.
7. Lower vehicle.
8. Fill cooling system (Refer to 7 - COOLING - STANDARD PROCEDURE).
9. Connect negative battery cable to battery.
10. Start and warm the engine. Check for leaks.
2.8L DIESEL ENGINE
1. Clean old gasket material from cylinder head and thermostat housing.
2. Install thermostat housing with gasket and support bracket (2.8 L) to cylinder head . Torque bolts to 28 N·m. (250 in. lbs.).
3. Connect coolant bypass hose and upper radiator hose to thermostat housing.
4. Refill cooling system (Refer to 7 - COOLING/ENGINE/COOLANT - STANDARD PROCEDURE) .
5. Install engine cover (Refer to 9 - ENGINE COVER - INSTALLATION) .
6. Connect negative battery cable.