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  1. J

    What are correct A/C pressures for a charged system?

    Here is a pressure list I found for R138a R-134a TEMPERATURE PRESSURE CHART Ambient Temperature °F / °C (Temperatura Ambiental) Low-Pressure Gauge High-Pressure Gauge 65°F (18°C) 25-35 psi / 172-241 kPa 135-155 psi / 931-1069 kPa 70°F (21°C) 35-40 psi / 241-276 kPa 145-160 psi...
  2. J

    What are correct A/C pressures for a charged system?

    Since you added leak detector, get a UV pen light and look at all the connections in a dark space with motor on for a few to pump up pressures, then off to examine it for the leak glow. Glad you got it working!
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