I had a friend stop by to take another look at the ac in my truck. At rest the low and high side were about 75 psi. The compressor and fans kicked on when the ac was turned on. However, this resulted in no change to the high and low pressure. The compressor sounds normal. Is the compressor shot or c...

Ok, got it. To refill the system after fixing the leak, doesn't the compressor have to run in order to suck the refrigerant in?

Thank you all for the replies, very helpful! I was thinking the low pressure cutoff was below 30 psi, since when the compressor is running it can be as low as 20 (based on the chart). I now realize the low pressure cutoff is used before startup. Can I temporary bypass the low pressure cut off by run...

The air conditioning on my 2011 Dodge Ram 1500 5.7L all of sudden stopped working, it worked great before this week. When I turn on the AC I hear something click for a split second but the compressor nor electric cooling fan click on (the AC indicator stays lit up on the dash). I checked the low pre...