I heard 2 mechanics talking about switching out dryers and changing oil in
compressors.  Seems to be my experience that it is overkill and recommended to
do so because of the $$ to be made. There WILL be new retrofits  every few
years---there is a new freon to replace 134A on the way-
-

1984  passenger Vanagon"Squeaky Fromme"
1972 VW 1600cc Baha bug "The Beast"

My VW Vanagon site
http://dieselslave.tripod.com

my eBay auctions
http://cgi6.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewSellersOtherItems&
userid=dieselslave&include=0&since=-1&sort=3&rows=50