Where is the expansion vave located on a 1990 Mazda b2200 truck?

On a 1990 Mazda B2200 truck, the expansion valve is typically located near the evaporator core, which is situated inside the passenger compartment, behind the dashboard. You may need to remove the dashboard or access panels to reach it. The expansion valve regulates the flow of refrigerant into the evaporator, allowing for efficient cooling. Always refer to the vehicle's service manual for specific details and diagrams.