I don't think there is an oil leak into the coolant. There is a small amount of black stuff in the expansion tank, but it doesn't look like any oil in coolant I've ever seen. It settles to the bottom, unlike oil which would normally float, and the expansion tank rinses out with tap water.
On Sun, May 27, 2012 at 9:01 PM, Craig <diese...@pisquared.net> wrote: > On Sun, 27 May 2012 18:43:43 -0600 Brian Toscano > <brian.tosc...@gmail.com> wrote: > > > I don't think it is something to be concerned about, as it doesn't > > affect the operability of the vehicle, but I don't understand why the > > coolant seems to separate. I am wondering if the dirtier coolant is > > somehow "lighter" or "less dense" and somehow floats to the top and > > expands out to the expansion tank, whereas the green coolant stays in > > the system.... > > > > Any thoughts? > > With as much turbulence that (should!) exist in the radiator when you are > driving (which is when the coolant gets warm and expands) I cannot see > how things would segregate, even if there were some dirty coolant in it. > Do you have an oil leak into the cooling system? > > > Craig > > _______________________________________ > 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 > _______________________________________ 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
