Maximizing A/C Performance High Pressure vs. Low Pressure Port Optimization

The typical low pressure side PSI is between 20 and 50, so 70 is on the high side...although not likely dangerously high. If you're not getting ... Hi the low pressure port is located on the accumulator, just above the low pressure switch. see attached picture. graphic. Item, Part Number, Description. 1 ... Some older posts by p_gill indicate 35-40 psi on the low side and 150-155 psi on the high side, but no reference back to a spec. 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 ... 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 ... I've got high pressure (80psi) on the low pressure line. According to Google that's caused by too much refrigerant or clogged condensor. So I found out my AC was BADLY leaking out of the high pressure port and the O-ring for the low pressure switch was in bad shape when I pulled ... Typical pressures when running are 30-40 on the low and 200-250 on the high side. These pressures will change based on ambient temperature and ... I found one port, I assume is the low pressure port about 1 foot from the left end of the radiator. ... I switched to A/C and the air got warmer ( ... The R-134a and R-1234yf pressure charts are for guidance when using A/C Pro® recharge products and gauges. ... Standard Low Side Pressure Range PSI, Standard High ...