Not always. My 123 300d has been running just fine for near a year with a crack in the seam of the coolant reservoir so it really holds no pressure at all but does not overheat.
Mike On Jun 17, 2013 10:20 AM, "Dieselhead" <126die...@gmail.com> wrote: > The thing everybody seems to not want to address is the coolant boiling >> out of the radiator neck... >> >> I put both thermostats in a pan of water, they both begin opening around >> 165F (the old one maybe slightly sooner) and are fully open at 180F. If >> they're busted its in some manner that I can't see. >> >> -Curt >> > > > Did the coolant boil out after burping and with a good cap on tight? > > > There was a thread some years ago with Herr Doktor where he advised us all > to check our pressure caps and replace every other year on PM principle. I > don't know the fizzicks, or thmodynamics, but he assured us a mercedes (at > least 123 or newer) with a faulty or loose radiator/coolant bottle cap will > overheat. > > ______________________________**_________ > http://www.okiebenz.com > For new and used parts go to www.okiebenz.com > To search list archives > http://www.okiebenz.com/**archive/<http://www.okiebenz.com/archive/> > > To Unsubscribe or change delivery options go to: > http://mail.okiebenz.com/**mailman/listinfo/mercedes_**okiebenz.com<http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com> > _______________________________________ http://www.okiebenz.com For new and used parts go to www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
