Essential Guide to A/C High and Low Pressure Port Decoding

The smaller line, the high side, is after the compressor and much higher pressure. The larger line is the low side and takes the freon in ... Is your car's AC low-side pressure too high? 🌡️ Don't sweat it! This video breaks down the common causes of high low-side pressure in your ... ... low pressure port with the A/C on ... I'm supposing that the compressor has to be engaged or the gauge will show high pressure. the low side is closer to the firewall. and will be cold to touch. The orfice tube is locate between the 2 service ports. Of course you can add ... The high-side charge port is a quick-connect fitting that provides access to the high-pressure side of the A/C system. The extremely high pressure on the high side and normal pressure on the suction side indicates that the evaporator is overheating. If the system is on and you have 85psi on the low side you may have too much Freon in the system. However, it is hard to predict what the system ... It is in the discharge line. Wear safety goggles and gloves when servicing high pressure components. If you find low pressures, you likely have a leak. The low pressure side of the A/C is the larger diameter line with the port down beside the lower rad hose above the compressor. The high ... You need to evacuate the system vacuum it and then recharge it . if the system has zero/low pressure and the can has high/higher pressure then ...