Well the AC has gone to heck in my wife's '90 100. The dealer says new will cost $700.00 Can these things be rebuilt or is it cost prohibitive? I can get one from the junk yard(they search for one) but then there is no guarantee that it won't also crap out... Seems I've seen messages about AC posted before...I could be wrong...After all, the 60's were good to me. later DW