Vacuum pressure. The low side of the AC system is from the metering device outlet to the compressor inlet.
High side and low side refer to the pressure in the ac system. Ie The high side is the high pressure line and low side is the low pressure line.
Always to the low pressure side. The low pressure side fitting is normally near the dryer ( large silver canister).
Low side.
it is the low pressure side
The whole hurricane is a low pressure system. Pressure is lowest at the center of the storm.
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 pressure on the low pressure side of a refrigeration system is determined by the refrigerant's temperature and the system's design. As the refrigerant absorbs heat in the evaporator, it vaporizes and its pressure decreases. The size of the evaporator, the amount of refrigerant flowing through it, and the efficiency of the system also affect the pressure on the low side.
R134a goes into the low pressure port
The low pressure side is usually the fatter tube of the two. That's how it is on my '97 3.9.
Low predsure very high
The condenser does not have a low pressure side, because the condenser is not on the low pressure side of the system - it is on the high pressure side, and refrigerant going into the system is at high pressure throughout the whole of the condenser. The high pressure side of an AC system begins at the compressor outlet and ends at the metering device inlet (refrigerant leaves the compressor outlet and goes directly into the condenser inlet). The low pressure side runs from the metering device outlet to the compressor inlet.
the low side port is the smallest of the two, just find the ac valves and which ever one is the smallest is the low side. on the 134a it is the opposite way if you converted. The High Side(High Pressure Side) is always Smaller and the Low Side(Low Pressure Side) is always Bigger in diameter, Always.