I will look for the leak and go forward from there. It will be a learning processes, but that's why I'm doing this. I want to learn this stuff. Thank you! I do have a couple questions... Topping up a leaky system eventually leads to compressor failure. 1. Is this just do to the compressor needing to...

So, any recommendations on what I should do next?

I suspect that since these are 'abnormal' gauge readings that my compressor is failing or some other control valve has gone haywire.

I should have mentioned that I already tried adding additional R134a, but it won't even take any more. It seems to be maxed out and not much more can be added, as if it had reached some sort of equilibrium. I don't think it is overcharged because the high side is still so low.

Forgive me, I'm a newbie at A/C stuff, but I want to learn how to do what I can since I seem to be constantly plagued by automotive A/C issues. I have a 2000 Chevy Silverado 5.3L truck and the A/C is not working. It was working okay last summer and I did charge it some in the Fall, which seemed to g...