How do you recharge the air conditioning on a 2002 Ford Excursion?

To recharge the air conditioning on a 2002 Ford Excursion, first, locate the low-pressure service port, typically found on the larger diameter aluminum line near the firewall. Use a refrigerant recharge kit, ensuring you have the correct type of refrigerant (R-134a for this vehicle). Connect the recharge hose to the low-pressure port, start the engine, and turn the A/C to maximum. Follow the instructions on the refrigerant can to add the refrigerant until the system reaches the recommended pressure.