Automotive AC Pressure Charts Your Guide to Peak Performance

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 ... To properly assess your car's air conditioning (AC) system, a simple low-pressure gauge is insufficient. A comprehensive diagnosis requires a manifold gauge ... 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, ... Learn about R134a Refrigerant, low-side pressure, high-side pressure of a Car's AC System. Car AC Pressure Chart for diagnosing refrigerant. I just did my first automotive AC repair, after the compressor in my ... r134a pressure chart. At the time, it was 82F in my garage, so ... 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. ... AC pressures should operate around for a vehicle using R134a refrigerant. I also talk about my recommendations for finding and fixing leaks ... About the "ambient temperature" to use on the pressure charts ... It's hard to do ambient temp because the car needs to be moving for the AC to really be ... During the winter (Dec, Jan, Feb) temperatures were about 20°C (68°F) and I was not driving a car heavily - mostly in evenings and AC seemed to ... How to interpret R134a pressure gauges. Understanding air conditioning gauges ... The vehicle should be recovered, vacuumed and charged prior to testing.