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The low side port is located on the air conditioner compressor. The low side port will be the entry for recharging your air conditioning system.
In the ac system through the low side service port.In the ac system through the low side service port.
If you are talking about the low side for the AC system. there should be 2 ports. The port that is on the largest diameter line is the low side.
You can find helpfull information about your vehicles ac system including where the low side port is located on this web site www.idqusa.com just click on locate low side port.
You are on the wrong port. Some fords have an extra port that the low side hose screws on but is a high side fitting. look for another port.
You recharge your vehicle ac system throught the low side port. All vehicles are different as where the low side port might be located. There is a website www.idqusa.com that has helpfull information about your vehicle ac system including where the low side port is located on your 00 f-150 .
Follow lines from compressor--Larger one is low side--Port maybe at the rear of engine passenger side near the drier
On a R134a system the low side service port is the smaller one.
The smaller port is the low side.
The Low side port is located on the accumulator, there is a plastic cap on it. The accumulator is the metal "can" near the firewall on the passenger side.
The 1998 Mazda 626 low pressure port for your air conditioning system will be on the top of the air conditioner compressor. The low pressure port will be on the left-hand side of the compressor.
You would charge it from the low side port.