Automotive AC Pressure Explained An Essential Chart for Trouble-free Cooling

If anyone expects their ac to cool down to 35F, then low side pressures should be around 30 psi. If you were to use the wrong chart, this would ... My question is: If my pressure readings change when I turn the AC ... With the car, ac, and fan off, The low pressure is 85. The high ... On an 85 degree day with the car warmed up an after ... Online charts say 85 degree ambient should cause 225 to 250 psi high side pressure. My MK3 GTI Ac system has recently stopped cooling down the car. Air blows out at a constant 80 deg F. (It's Florida) I have a set of gauges ... 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 ... There may be vehicle specific pressure charts, but I've never seen one. All the charts I've seen show correct pressures at a give ambient ... 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 ... I'm far from an expert on car systems. Assuming this is a 134a system. You can look up online approximate "normal" pressures. Why did you choose ... 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 ... Is there a normal range for refrigerant pressure for when the car engine is off? I have come across various posts online where people say the ...