Coolant Recovery Pressure Container: Description
WARNING: This page is about a different car, the 2004 Dodge Intrepid, 2004 Chrysler Intrepid, 2004 Chrysler Concorde, and 2004 Chrysler 300M. However, it is still accessible from the selected car via links, so may be relevant.
The coolant bottle consists of a pressure chamber and a overflow chamber (Fig 1) that is mounted in the engine compartment (Fig 2). The overflow hose connects the pressure chamber to the overflow chamber.
NOTE:
Coolant will normally be in the pressure chamber side of the coolant bottle. The overflow chamber should normally be empty