Description - 2.0L/2.4L
WARNING: This page is about a different car, the 2005 Dodge Stratus and 2005 Chrysler Sebring. However, it is still accessible from the selected car via links, so may be relevant.
The thermostat is located on the front of the engine (radiator side) in the thermostat housing/coolant outlet connector. See Figure. The thermostat has a air bleed vent located in the flange and an O-ring with a locating dimple incorporated on it. There is a relief in the housing for positioning the air bleed.