Ac is driving me crazy

So right now you have 0 cold air? If so the pop you heard was a pressure valve or hose burst or maybe even a cracked condenser, if you've lead a good clean life, it was just the magnetic clutch on the compressor, but usually that shreds the belt too and you'd see it obviously

btw, any time you open the system, replace the ac air drier

The blower/brake thing sounds like a crossed wire somewhere, no help for you there except that you have to trace the wires...

 

When you changed the compressor, you're supposed to change the receiver/dryer and expansion valve/orfice tube too.

If the compressor failed it most likely put debris into the lines clogging up the expansion valve/orfice tube causing a blockage which is resulting in high pressure, shutdowns and warm temperatures.

 

These trucks are basically computer controlled. The laptop is the first tool I grab, other than that, you are just guessing and blindly throwing parts at it.

 

He is right anytime you open the system replace the drier and orifice tube.

 

Exactly, the system can be fine and the computer can be cutting out the compressor due to a glitch.

I have rewired my A/C to be just like the pre body control model systems were because I got tired of chasing these stupid little glitches.

Now the compressor, high and low pressure sensors and the fan sensor are all wired directly to their respective systems; the computer does not have any role in managing my A/C now.

2 years since converting the system to the old design and no A/C issues yet, finally not dreading the triple digit California summers.

 

@Justrucking2 just had thread somewhere about Prostar A/C