It is on or near the receiver dryer or shiny looking thing at the right rear of the engine compartment. You need gauges to correctly add refigerant as you can overcharge it.
Look around accumulator/drier and passenger side firewall-follow Larger hose from compressor
The 2004 Civic low pressure air conditioning service port can be found on top of the air conditioner compressor. The low pressure port should be labeled as such.
low pressure line leading toward the firewall,,,but read up on this everyone should have a manual for their vehicle, and the library should have a professional shop manual available in the REFERENCE section...make copies of the right sections...good luck :)
The 1990 Mazda 626 air conditioning low pressure port can be found on top of the air conditioning compressor. The low pressure port should be labeled.
Should be on the small, black tank, attached to the inside of the passenger side wheel well inside the engine compartment. Should be covered with a small, black screw-off cap.
You will have to look under the car's engine compartment. On the passenger side, look (or feel) behind the large coolant hose going to the radiator. There is the low pressure service port for the A/C. Good luck getting the hose connected...
The EVAP Service port is on the firewall on the passenger side, right next to the low side service port for the A/C.
The low pressure service port for the AC on a 1998 Olds Aurora is located on the side of the accumulator. It is at the back of the engine compartment, on the passenger side.
Try near accumulator/drier on the firewall passenger side
Attach a fuel pressure gauge to the service port on the fuel rail.
The 1998 Plymouth Grand Voyager low pressure port can be found on the top of the air conditioner compressor. The low pressure port should be labeled as such.
Where is ac low pressure service port on a 1990 ford mustang
The 2000 Acura air conditioner low pressure service port can be found on the top of the air conditioner compressor. The low pressure service port will have a blue top.
The low pressure service port on your Chevrolet K 1500 air conditioning compressor will be the one closest to the front of the engine compartment. The low pressure service port should be labeled.
The port is located on the low pressure line. The low pressure line is the larger of the two lines coming from the A/C compressor. Also it should have a blue cap covering the port.
the passenger side near the firewall
The 1998 Ford E3 50 low pressure air conditioning port is located on the air conditioning compressor. The low pressure port will be on the right hand side of the compressor.
To add Freon locate the low-pressure port on the A/C system, also called the low-side service port. You will find this port against the firewall, at the back of the engine compartment.