Your operation does sound exactly like my old MGB with dead cooling fans. I completely missed to point that you would lose coolant when the otterstat came off. As for trapped air, John Hervey has an auto-bleeder easily installed at the location of the bleeder screw. I imagine other vendors also sell one or you can make one. Might not be a bad addition. Good idea to get your car well nose-down for the bleeding so the air can travel to the high end of the system and exit. Otherwise, opening the bleeder screw may not do the trick. I believe someone also has a radiator self-bleeder, though I've not tried that one. Good luck with the new otterstat! If your fans run too much, keep the "matched" thermostat/otterstat concept in mind. A cooler thermostat might prevent an overlap in the devices' opposing operation. Marv #10820 AZ-D --- In dmcnews@xxxxxxxxxxxxxxx, "trdstne71" <trdstne71@xxxx> wrote: > The other thing I tried was the air bleeding trick. I've seen at > least two different methods of doing it - one where you just open > the screw and let the air out, and another where you need tubes and > buckets, running water and coolant. I opted for the simpler method, > but I think after all is said and done, I will try the somewhat more > complicated one... :-) > 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/