Empowering AC Technicians The Indispensable Automotive Pressure Chart

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 ... 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 ... I am using a manifold to do all the readings. Anyhow, anyone out there with info about how much psi the ac would need? I have a 2003 Ford Focus ... ... vehicle you are working on. If this post is about bodywork, accident ... The temperature of the refrigerant determines its vapor pressure (aka ... 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 ... Before the vehicle is started, the static system pressure should be read. Pressure values should be very nearly equal on both LP and HP gauges. The actual ... 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 ... I retrieved the necessary charts and information relevant to the job from the service manual. ... Note: For my readings the low pressure side ... Automotive AC Pressure Chart for R134a Refrigerant | Ideal High and Low Pressure Readings Explained. 479 views · 2 months ago ...more ... Measure the ambient temperature and compare the reading with the pressure-temperature chart of R134a below: In my case, the ambient temperature ...