[ctrlz]

Originally Posted by Chutzpah

The worst possible scenario is a leak in the evaporator.

This might show up as oily residue in condensate that drips under the car. But if his system pressure has already leaked down too much, nothing is circulating anyway.

Also, once you get it recharged with dye, you can snoop around with a black light. probably get a cheap LED one on amazon.
https://www.amazon.com/MyDeal-Ultrav...163733&sr=8-20