Where is the expansion valve on a 2001 PT Cruiser?

The expansion valve on a 2001 PT Cruiser is located in the evaporator case, which is situated under the dashboard, on the passenger side of the vehicle. To access it, you typically need to remove the dashboard and some components of the HVAC system. This valve regulates the flow of refrigerant into the evaporator, playing a crucial role in the air conditioning system's cooling process.