Look for a blue plastic cap or port on one of the lines. This is for recharging and is the low side. High is usually color coded red.
low pressure side is located closest to the front of the vehicle on the right side as you are facing the engine it shoulh have a screw on cap with the letter L for low pressure.
The low pressure valve is located at the rear left of the engine compartment, near the cruise cervo. It angles to the left (driver) side of the vehicle.
were is the low pressure side ac port located on 2002 lincoln navigator
It is on the low side line as it runs across the firewall under the hood, between the engine and the firewall, generally closer to the passenger side of the vehicle.
The low pressure ac port is on the passenger side of the vehicle. It is close to the firewall mounted on the low side aluminum line.
the low side pressure port is located just off the back of the compressor, the highside is located in the line on the side of the compressor body
This vehicle does not have a low pressure switch. It has a pressure transducer instead. The pressure transducer is located on the refrigerant line next to the alternator pulley.
Its on the a/c accumulator located on the drivers side better seen from under the vehicle.......
The AC low pressure port is located on top of the receive/dryer. This can be found on the passenger's side on the firewall.
It is located behind the engine down and close to the firewall. You can access it from the right side of the vehicle. I have used it often.
The low pressure is located on top of the accumulator. It is on the passenger side of the engine bay.
The low pressure port for air conditioning recharge is typically located on the larger diameter aluminum tubing that runs from the evaporator to the compressor. It is usually labeled with an "L" or "Low" on the cap or port itself. Make sure to consult your vehicle's manual for the specific location.