What have you done to your HMMWV today/lately

[FlameRed]

Did you completely flush all the lines,evap and cond? if not you likely fried the new comp with particular matter left when the original compressor cashed in.

Once again, @Mogman you seem to be correct. I believe I did not flush it enough the first time the compressor crapped out. I tried flushing it out a second time but it was too late.

Yes, I disconnect all the lines and flushed everything in the opposite direction of normal refrigerant flow. I needed two quarts of flush which is a lot I think.

At least I am getting well practiced at flushing it out and replacing the compressor! The compressor and new receiver dryer is about $150 plus another 2 quarts of flush and R134.

And now at least I have the actual AM General AC factory bracket installed instead of the redneck engineered one it came with from the previous owner. Another "while I am in there..." thing.