These exhaust hangers are a perfect replacement part for our cars, much cheaper than our vendors, and most importantly, these are actually flexible unlike the ones our vendors seem to be selling.
The leaking reservoir is a common problem, I will let others comment on that as I use an aftermarket unit
lots of things to consider when addressing the air conditioning system. You should probably make that a separate post in the appropriate section, describing what you have, and what you would like to have.
Larry