Where is the orifice in the ac system?

The orifice in an automotive air conditioning system is typically located in the liquid line, between the condenser and the evaporator. It serves as a metering device, regulating the flow of refrigerant into the evaporator. In some systems, it may be referred to as an orifice tube, which can be found in the engine compartment, often near the firewall. Proper function of the orifice is crucial for maintaining efficient cooling.