The a/c in my Vanagon seemeed to work fine in 90 degree New York.
But now I'm in AZ, it just cannot cool a hot van on a 100 degree day (which
is everyday right now).
Is this an inherent weakness or does my system need looking at?
Anyone else in a hot climate got his a/c working well?
My '95 Mercury Sable has no problem cooling (almost instantly) in the same
conditions - and its 134a, not Freon.

Is there an official VW kit to convert the Vanagon to 134a refrigerant?
What is involved and what parts must be replaced?
I'm reluctant to spend big bucks maintaining a Freon system.