Automotive AC Performance at Your Fingertips Pressure Charts Revealed

This AC pressure chart contains R134a refrigerant values at room temperature. Where all the high- and low-side pressure values are. To measure the high side pressure in your system you need an AC gauge set. These gauge sets come with a gauge for the low-side and high-side pressures, as well ... 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 ... What are the proper ac pressure readings be on a 2002 ford ... 14 years Automotive experience. 32,709 Satisfied Customers. 2007 Chrysler ... 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. If the pressure readings to the ambient temperatures are different to these, then the system is probably defective. Note: Pressure gauge readings (low and high) ... The online chart shows i need 55 psi on low and 170 on high. I am checking the pressures while engine is warm and idle. Ac on full blast. Ac worked very good ... Shut the car off for 10 minutes then started AC compressor kicked on and got cold but gauge reading was off the chart. He recommended replacing ... The Pressure/Temperature Chart indicates the pressure and temperature relationship for three automotive refrigerants. Vehicles with a model year 1994 and ... 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° ...