Cool and Collected Automotive AC Pressure Chart for Unmatched Comfort

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 ... 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 ... Get a quick look at what an average A/C system looks like, along with the compressor manufacturer and what the specific R-134a requirements are for your car. R- ... What are the proper ac pressure readings be on a 2002 ford ... 14 years Automotive experience. 32,709 Satisfied Customers. 2007 Chrysler ... No information is available for this page. · Learn why Also remember all these pressure charts ... The other day, I spoke with a guy who does auto AC work and he said something very interesting. The rule of thumb I use to start with for STATIC cold system pressure is Ambient -10. So 70F get 60 PSI static on the low side. This is just a starting point. I see charts that show, at 90 degrees, a low side of approx. 30 psi and high side of 225. Another chart will show 50 PSI and 260 PSI. At 85 degrees Fahrenheit, R134A shows a pressure of around 90 pounds per square inch. Much lower readings suggest the system is low on charge or contaminated ... I recharged the system using the Pressure chart you provided and the ... Automotive compressors have a variable "wobble plate" Its ...