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. 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. …
AC Low Side Pressure Too High – Causes & Repair Costs
WebAug 23, 2016 · As per the R134a temp to pressure relation my high side should be around 225-250psi and low side around 45-50 psi. My high side was perfect but my low side was hovering around 15-20 psi. At first the low side would drop to almost 0 then build back up to around 50psi then the compressor would kick on. The system seemed to stabilize out … WebApr 24, 2016 · The compressor cycles and you can feel the idle speed change. I got the a/c manifold gauge from AutoZone and hooked it up the the car. Outside temp 65 in the … how to remove fireplace glass doors
2008-2012 Ford Escape Expensive Receiver Drier Failures
WebThis video contains Paid links that gives me a 6% commission if you click and buy any product on that website . Check out my web site http://www.nobox7.com/ ... WebMar 14, 2024 · Observe the pressure gauges. Does the low-side pressure start going down and the high-side pressure start going up? After the system runs for a while, raise the … WebJul 17, 2011 · A: "Yes the valve will reset. The valve will blow off when the pressure in the high side of the system exceeds the safe pressure limit, usually around 350 psi. This generally happens when either the system is overcharged or the compressor does not disengage causing the compressor to run anytime the motor is running." how to remove fireplace doors