300 zx ac

hey guys and girls yes got a z myself love it to death but dammit the ac went out i know how to do pretty much every to the car but thiers always somthing any ways i was driving along and i hit the def button and i heard a thud and the def is stuck on new compressor checked the lines for leaks see nothing thier either blowe check so im thinking the leak is some where inside the main vent chamber and i was posting this to see if i could get some hits from your opinion cuz i really dont want to ip that apart any clues if possible some one have a diagram of that thanks alot
z 87 none turbo auto love it the most realiable car ive seen and first car and long live the z