finally after 3 mechanics I found someone who told me that the coil in the clutch will sometimes loose itsstick and then the clutch will stop moving. He had said it needed to be replaced and you would have to replace the entire compressor and a new clutch, not just get a coil and fix that part, simply because of the way you havre to get into the system. Then it would cost me for draining my 12 and re charging the system again to get to the clutch coil anyways.

He did show me that if it stops running I can hit the coil with a broom handle and get it to engage again and stick to the clutch, and the ac comes back on liem magic.

But there has to be another option here than buying an entire new system just because of 1 silly magnetic coil.

What about just simply cleaning the coil with brake cleaner or carb cleaner? I noticed it was very dirty and maybe that is what is keeping it from making a contact and getting magnetized.