AC Pressure Unraveled Automotive Chart for Peak Cooling Efficiency

I retrieved the necessary charts and information relevant to the job from the service manual. ... Note: For my readings the low pressure side ... This AC pressure chart contains R134a refrigerant values at room temperature. Where all the high- and low-side pressure values are. 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 ... 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, ... ... AC pressures should operate around for a vehicle using R134a refrigerant. I also talk about my recommendations for finding and fixing leaks ... The chart looks like normal values, but when the car was running ... AC on max, connect the kit, add until it reaches proper pressure. Turn the car on with your gauge hooked up there. IMO take the car to the shop... AC work is not something you should be doing without proper ... Download the free Pressure Chart ... What Pressure Should my Car AC Be - How To Check Automotive R134a Air Conditioner - Recharge Tips. 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 ... Learn about R134a Refrigerant, low-side pressure, high-side pressure of a Car's AC System. Car AC Pressure Chart for diagnosing refrigerant.