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Q: What is wrong when an ac system has low side pressure but no high side pressure?
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What does high-side and low-side mean with respect to car AC's?

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.


What causes the low pressure side of an air conditioning system to read high?

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.


Is suction pressure is high side or low side of refrigeration system?

Low side.


What would cause the low side on an air conditioner to be too high?

When you say too high, just how high is it and what is the high side pressure. It is not uncommon for the suction pressure(lowside) to get up to 80psi on a very hot day. You cannot determine what is wrong unless more information is provided. It could be that your system is overcharged, but without the high side pressure and the temp of the suction line it is hard to give the right answer.


How is the refrigerant cylinder pressure kept above the system pressure when a system is being charged with the vapor from a cylinder?

Add refrigerant vapor on the low side of the system ,the compressor raises the pressure of the refrigerant on the high side of the system and lowers the pressure on the low side


How is the refrigerant cylinder pressure kept above the system pressure when a system is being charged with vapor from the cylinder?

Add refrigerant vapor on the low side of the system ,the compressor raises the pressure of the refrigerant on the high side of the system and lowers the pressure on the low side


How is the refrigerant cylinder pressure kept above the system pressure when a system is being charged with vapor from a cylinder?

Add refrigerant vapor on the low side of the system ,the compressor raises the pressure of the refrigerant on the high side of the system and lowers the pressure on the low side


What part of the refrigeration system changes the high pressure side to the low pressure side?

The compressor changes the low pressure gas into a high pressure gas which then has the heat of compression removed in the condensor to turn it into a high pressure liquid.


Is the condenser of an Air Condition unit part of the low side or the high side?

The condenser is on the high pressure (discharge) side of the system.


Where is the low press side on condensor on 95 yukon?

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.


In air conditioner units is the larger copper refrigerant pipe the low or high pressure side of the system?

it is the low pressure side


What does the compressor on a truck AC do?

The most basic thing is that is circulates refrigerant through the system. It also separates the low pressure side from the high pressure side of the system.