Location of low side a/c port 2003 lincoln ls v6

Hi Danny,I have a 2004 Lincoln LS, 3.0 haven't had that problem so far,have 125.000 miles on it.Here's a video I found on your sensor,a lot of things are put on our engines that are hard to get to,like the spark plugs. Lincoln ls 2001 V6 3 0 temperature sensors YouTube

Down on the compressor

Have to remove the left tire & plastic panel
for access

low side is on the line coming off compressor going to evap core and high side is on other line between compressor an condensor

on back of air comp.

Hi...
The fuel Filter on the Lincoln LS Is located Inside of the Left front
Fender..
You will need to remove the Left front tire.
Remove the Plastic guard of the Fender. at your right side you will see
The fuel Filter..

I hope this help on your question.
Thank you for Use FIXYA.

There should be two lines/hoses that come from the compressor. If you can locate these lines, the low pressure side is the larger diameter line or hose. The high pressure side is the smaller diameter line/hose. The re-charge goes into the larger, low pressure side.

In order to charge, you must locate the low pressure valve to install the refrigerant. The low pressure valve is between the compressor and the evaporator. Do not charge on the High Pressure side, The high pressure valve is between the compressor and the condenser. To locate the low pressure valve, follow the line that comes from the compressor and routes toward the firewall. The valve will be somewhere on that line. Do not overcharge. The amount of pressure that is needed on the low pressure side will depend on the ambient outside temperature.

the AC service ports are capped with either blue or black caps... and being yours uses R134A, on the container the valve will only fit on the right valve under the hood... the smaller valve is the low side, that is the one you want if you are refilling... the high side will have a larger valve and the container will not fit it... YOU WANT THE SMALL VALVE... NOT THE LARGER VALVE... hope this helps you out...

2002 is what I have. should be similar

Service Gauge Port Valves
The high-pressure service gauge port valve is located on the A/C receiver drier manifold and tube assembly.
The low pressure service gauge port valve is located on the manifold of the A/C compressor manifold and tube assembly at the A/C compressor.

Item Part Number Description 1 19860 A/C evaporator core 2 19849 Thermostatic expansion valve 3 19A834 Manifold and tube assembly—thermostatic expansion valve 4 19D850 Manifold and tube assembly—A/C compressor 5 19E762 A/C charge port valve (low side) 6 19E762 A/C pressure relief valve 7 19703 A/C compressor 8 19D594 A/C pressure transducer 9 19712 A/C condenser core 10 19D701 A/C charge port valve (high side) 11 19N585 Manifold and tube assembly—receiver drier 12 19959 Receiver drier 13 19C734 Sensor—evaporator air discharge temperature

The lincoln better idea engineers put the low side freon port in a peculiar place.. You will find the low pressure port near the compressor under the car on the driver's side. You will need to put your car on a lift to get to it. Once you raise your vehicle, take the plastic shields off and you will find the compressor...yup...it's a tight spot.
Hope i was able to answer your question...be safe.