Where is the expansion valve on a 1993 Lexus ES300?

The expansion valve on a 1993 Lexus ES300 is typically located within the engine compartment, specifically near the evaporator unit. It's usually positioned in the line between the condenser and the evaporator core, often mounted on the firewall. Accessing it may require removing some components for better visibility and reach. Always consult a repair manual for detailed guidance specific to your vehicle.