Another thing i didn't see mentioned is that the r134a molecules are smaller than r12 and will seep out of small holes in the lines. modern hoses have a barrier layer to make this not a problem. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://list.amc-list.com/pipermail/amc-list-amc-list.com/attachments/20100411/484c3667/attachment.htm> _______________________________________________ AMC-list mailing list AMC-list@xxxxxxxxxxxx http://list.amc-list.com/listinfo.cgi/amc-list-amc-list.com