If the system is empty, I'd replace all of the O ring seals with the newer green style. Check the orifice tube, and change that if it looks clogged or torn. > -----Original Message----- > From: Delorean17@xxxx [mailto:Delorean17@xxxx] > Sent: Wednesday, June 26, 2002 5:47 PM > To: dmcnews@xxxxxxxxxxxxxxx > Subject: [DML] A/C question > > > Hi, > My AC system was working fine but unfortunately I had to > vacuum the R12 > out while cleaning out my evaporator box. A friend of mine > is letting me use > his 30lb tank of R12 to refill the system next week. Before > I re-charge it, > what parts in the system should I replace? Last time it was > charged I had it > leak tested and none were found so hopefully it hasn't > changed. I would > really appreciate any info on what I should replace and where > I can get the > parts.