Either the mode switch is the problem or the vacuum motors that move the diverter flaps are defective. This could also indicate a pretty massive vacuum leak elsewhere in the vacuum system. Unfortunately, you get to spend a lot of time on your head under the dash to debug this one. -- Mike > Ever since I have had my DeLorean, when turning the mode switch to different > vent settings it has always seemed to blow out of all the vents and not > divert the air as it should. > > It does not hiss or create that vacuum sound, but the aircon does blow hot > and cold as it should. I can see that all of the mode switch connections > and hoses are intact by peering through the rear of each side of the console > with the aid of a torch/flashlight. > > Does this confirm that the mode switch needs a rebuild even though it does > not 'leak' or could other factors be considered? > > Thanks for any help. > > Chris H > vin 5255 > 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/dmcnews Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/dmcnews/ <*> 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/