Chris, The Freeze 12 website directs that the R12 be removed before adding Freeze 12. It also says to add 3 ounces of Polyol Ester lubricant before charging with Freeze 12. It also states that the system should be recharged with 10% less Freeze 12 than the recommended factory R12 charge. Rod 10921 --- On Sat, 5/9/09, Chris Shepherd <chrisau79@xxxxxxxxx> wrote: From: Chris Shepherd <chrisau79@xxxxxxxxx> Subject: [DML] Freeze 12 To: dmcnews@xxxxxxxxxxxxxxx Date: Saturday, May 9, 2009, 6:43 AM Is it necessary to vacuum out R12 prior to charging with Freeze 12? How many cans of Freeze 12 are used to bring the system to full charge? Chris 06301 [Non-text portions of this message have been removed] [Non-text portions of this message have been removed] ------------------------------------ To address comments privately to the moderating team, please address: moderators@xxxxxxxxxxx For more info on the list, tech articles, cars for sale see www.dmcnews.com To search the archives or view files, log in at http://groups.yahoo.com/group/dmcnewsYahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/dmcnews/ <*> Your email settings: Individual Email | Traditional <*> To change settings online go to: http://groups.yahoo.com/group/dmcnews/join (Yahoo! ID required) <*> To change settings via email: mailto:dmcnews-digest@xxxxxxxxxxxxxxx mailto:dmcnews-fullfeatured@xxxxxxxxxxxxxxx <*> To unsubscribe from this group, send an email to: dmcnews-unsubscribe@xxxxxxxxxxxxxxx <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/