Put anti-seize on the treads only, do not put it on the sensor. Anti seize will only harm the O2 sensor if it gets inside the unit. If you bought a new O2 sensor chances it already has Anti-seize on the threads already. Mark V On Sunday, July 4, 2004, at 08:09 PM, Stephen Card wrote: > I am re-assembling my exhaust system after some gasket work. During > the proceedure I removed the O2 sensor. When I put it back in I > would like to use Loctite C5-A anti-seize, good to 1800 deg. F. > I think I remember someone say you shouldn't use anti-seize > with the O2 sensor because it will "foul" it and ruin it. Does > anyone know? 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/