Where is the expansion valve on a 2002 Nissan Frontier?

The expansion valve on a 2002 Nissan Frontier is typically located in the engine compartment, near the firewall, and is part of the vehicle's air conditioning system. It is usually situated between the evaporator and the condenser. To access it, you may need to remove components like the dashboard or certain panels, as it can be somewhat hidden. Always refer to a repair manual for detailed guidance specific to your model.