WebMay 12, 2010 · Now I have: Low=59, High=270. The pressure fluctuation stopped when the Jeep is idling. The A/C appeared to blow cool air. When I start driving the Jeep for about 3min the clutch starts to disengage and the cooling stops. I am not sure if I need more R134 considering that when I took the reading it was about 80-85F outside. WebJun 23, 2024 · Actually, 232 PSI is pretty good if not a little bit low. At that ambient, with good airflow over the condenser and a full charge, I would expect to see about 250 PSI on the high side. At 55 PSI, your low side is elevated, though, which explains why you're seeing vent temps of 70-75 degrees.
A/C pressure fluctuates. - DoItYourself.com Community Forums
WebMar 13, 2024 · AC Low Side Pressure Too High If the air conditioning isn’t blowing cold air and the low side pressure is too high, it could be caused by issues with the condenser … WebMay 6, 2024 · When you hook up your gages, the high pressure looks good, and the low pressure side looks really low. This is similar symptoms to low Freon. If you start to add some Freon, the high side will go over the top and bow the pressure relief. That was the first time I saw that. So, I replaced the Expansion valve, and the a/c was fine for a week. sidin twitter
A/C pressure gauge fluctuation problem - YouTube
WebJul 7, 2007 · At idle the low side is fluctuating from about 28-33 and back down. It makes the change from 28-33 over a couple of seconds, then sits at that setting for a couple seconds and then goes back to the other setting. The compressor is running constantly with the pressure slowly climbing from 140-145. At 1500 RPM I'm getting the same … WebJan 6, 2024 · Fluctuating high side pressure can be a common issue in AC systems and can lead to poor cooling performance, high energy bills, and costly repairs. Some of … WebOct 26, 2024 · Another reason for AC pressure fluctuation is the temperature outside. If it’s extremely hot or cold outside, the AC system has to work harder to maintain the desired temperature inside the car, which can cause the pressure to fluctuate. ... The most important pressure reading on your AC pressure gauge is the high-pressure side. … sid in tm forum