You have to fill the system to test it. That is the only way you will be able to find where it is leaking. -- Mike -------------- Original message from "Tom Tait" <TTait@xxxxxxxxxx>: -------------- > I've just gotten my new water pump in, all new hoses etc. and am starting to > check the system for leaks. I'm using a pressure tester borrowed from auto > zone and clearly have a few leaks to find - am peaking out at 4 psi. > > Is there any difference between checking the system dry and filling it with > coolant before pressure testing? I'd like to avoid filling until I'm > reasonably sure the system is tight. > > Also - I've got a vacuum connection that's staring me in the face. The > large hose coming from the charcoal canister, forward toward the resister > pack, across the firewall to the passenger side and continuing on. Right > near the heater control valve there is a tee in this line with nothing > coming out of the bottom of the T. I didn't see any good reference on > Hervey's site, and I don't for the life of me remember what tied in there. > > It annoys me greatly that half of the car's vacuum system doesn't make it > onto the diagrams I've found. Nice that we have all the engine controls > documented, but a leak is a leak - is there a better reference that shows > ALL of the vacuum in the car? > > Tom > 10902 > [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/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/