3.7L Engine

WARNING: This page is about a different car, the 2005 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.

WARNING: DO NOT LOOSEN RADIATOR DRAINCOCK WITH SYSTEM HOT AND PRESSURIZED. SERIOUS BURNS FROM COOLANT CAN OCCUR.

Do not waste reusable coolant. If solution is clean, drain coolant into a clean container for reuse.

If thermostat is being replaced, be sure that replacement is specified thermostat for vehicle model and engine type.

Disconnect negative battery cable at battery.
Drain cooling system (Refer to COOLING - STANDARD PROCEDURE) .
Raise vehicle on hoist.
Remove splash shield.
Remove lower radiator hose clamp and lower radiator hose at thermostat housing.
Remove thermostat housing mounting bolts, thermostat housing and thermostat. See Fig 1.

Fig 1: Thermostat and Thermostat Housing

Courtesy of DAIMLERCHRYSLER CORP.

1 - THERMOSTAT HOUSING

2 - THERMOSTAT LOCATION

3 - THERMOSTAT AND GASKET

4 - TIMING CHAIN COVER