A/C Performance Enhancement The Role of High and Low Pressure Ports

Both the low and high side ports are on the compressor itself rather than on the suction and pressure hoses as is more typical of modern cars. The pressure reading from the low side should be between 25 and 30 psi and the high side between 200 and 250 psi. But if you see the AC low side high, high side ... Normal AC Pressures Using R-134A · At a temperature of around 65°F (24°C), the low-side pressure typically ranges from 25 to 35 psi. At an ... Low pressure is on the drier which is under the car by the front right wheel. You will have to remove the fender liner and maybe the wheel to ... LOW, LOW, Add Refrigerant. ; LOW, HIGH, Need service, possible blockage of the expansion valve or orifice tube. ; HIGH, LOW, Needs service, possibly faulty ... Start at the A/C compressor. It's attached to the front of the engine and powered by a belt and pulley. It can be at the top or down along the side of the ... The picture in the post above would be my high side port. The recharge hose will only fit the low side. So you might be messing with the high ... Any low pressure below 20 psi will begin to freeze the evaporator core and basically reduce the cooling ability. The low pressure switches are ... I have a 2014 Dodge Charger SXT with the 3.6L engine and 8 speed tranny. It's about 5 months old to me and now that summer heat is here ... I put the gauges on the a/c test ports and i'm reading 0 psi on the low pressure side and between 100 psi and 125 psi on the high pressure side ...