> > In your case, I would address the leaks you can see and work from
there....
> If the car jas been converted to use R-134a, we must remember that these
> molecules (I am told) are very small molecules - even to the point of
being
> capable of leeching through some rubber compounds....
>

I'm still using R-12, which is why I have to have a shop do the work. I'm
not going to convert to R134 at this time, but I'll leave that discussion
for another thread.