Thermostat-Engine Coolant: Removal: Removal-4.0L

Fig 1: Thermostat Assembly - 4.0L

Courtesy of CHRYSLER LLC

1 - UPPER RADIATOR HOSE

2 - HOSE CLAMP

3 - THERMOSTAT HOUSING MOUNTING BOLT

4 - THERMOSTAT HOUSING

5 - UPPER RADIATOR HOSE TUBE

6 - UPPER RADIATOR HOSE TUBE MOUNTING NUTS

1. Disconnect and isolate negative battery cable
2. Drain cooling system. See STANDARD PROCEDURE .
3. Remove air housing. Refer to REMOVAL .
4. Remove upper intake manifold. Refer to REMOVAL .
5. Remove radiator tube mounting nuts.
6. Remove radiator hose at thermostat housing.
7. Remove thermostat housing bolts, thermostat housing and thermostat.
8. Clean thermostat housing mating surface on lower intake manifold.