This is woodie again , about the PT crouser it was an electrical problem ,. But the air condictioner is not cooling properly when it's real hot it gets worm ,and when it's not so hot it works fine . Last year there was a new compressor and evaporator. and now what it does is discharges ,and we were told that it was the fan so that was replaced,and still the problem preses
Have you had it checked to make sure the coolant is not low?
Also is the engine running hot?