Powering Up Automotive AC A Pressure Chart for Enhanced Performance

Learn about R134a Refrigerant, low-side pressure, high-side pressure of a Car's AC System. Car AC Pressure Chart for diagnosing refrigerant. With the fan on high, it's ~64°. Some things I've read say high side pressure should be roughly double the low side, plus fifty, which would ... Pressure/Temperature Chart ; -48, 1.6, 6 ; -44, 1.1, 8.3 ; -40, 3.3, 10.8 ; -36, 5.6, 13.4 ... How to Take the Pressure Readings ; 70, 35-40, 145-160 ; 75, 35-45, 150-170 ; 80, 40-50, 175-210 ; 85, 45-55, 225-250. This document provides a temperature-pressure chart for R-134a that lists the expected gauge pressures at the low and high-pressure ports of an air ... A typical Car AC Pressure Chart for a commonly used refrigerant ie, the R134a and also some troubleshooting tips with respect to the AC system pressure. Thus, if the gauge is reading high, then it indicates a problem with your compressor in that the low side isn't going low. When the A/C is fully ... Low side pressure should sit right at 30psi at all times the compressor is on, within a couple psi is OK. High side pressure will change ... AC Pressure Chart | R134a Low Side Pressure Chart ; 85°, 50-55 psi, 220-250 psi ; 80°, 45-50 psi, 175-220 psi ; 75°, 40-45 psi, 150-175 psi ; 70° ... So if I'm reading the manual correctly, the correct procedure to measure refrigerant pressure is to set AC to max cold, recirc, max fan, ...