You need to have citric acid on hand - for cleaning auto cooling systems, removing mineral deposits from the dishwasher, coffee pot, tea kettle, etc. (I'm guessing that your water is rather hard like ours is).
http://www.chemistrystore.com/Chemicals_A-F-Citric_Acid_Anhydrous.html (where I've bought it before) or https://www.amazon.com/Milliard-Citric-Acid-Pound-NON-GMO/dp/B00GNBHPAS/ref=sr_1_2_sspa?ie=UTF8&qid=1516499235&sr=8-2-spons&keywords=citric+acid+anhydrous&psc=1 On Sat, Jan 20, 2018 at 2:32 PM, Kaleb C. Striplin via Mercedes < mercedes@okiebenz.com> wrote: > I don’t have any on hand so what I have done so far is started > disconnecting hoses and flushing stuff out till it runs clear, then flushed > some more. Now I filled it up with water and am running engine for a while. > Will then flush it again. I have some Prestone flush that I will put in it > since that is what I have. I will then flush it again. Drain then pull back > into shop and wait for new thermostat to arrive then fill with g05. I > thought I had a new thermostat around here but all I can find are used ones. > > Sent from my iPhone > > > On Jan 20, 2018, at 1:56 PM, Craig via Mercedes <mercedes@okiebenz.com> > wrote: > > > > On Sat, 20 Jan 2018 13:49:35 -0600 "Kaleb C. Striplin via Mercedes" > > <mercedes@okiebenz.com> wrote: > > > >> Coolant in the 240d is rust brown. It’s probably the worst I have ever > >> seen. I need to do a good flush on it and replace thermostat. What is > >> everyone’s preferred method? > > > > 10% citric acid with blocked open thermostat. > > > > > > Craig > > > > _______________________________________ > > http://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 > > 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 > > -- OK Don *“Travel is fatal to prejudice, bigotry and narrow-mindedness, and many of our people need it sorely on these accounts.”* – Mark Twain "There are three kinds of men: The ones that learns by reading. The few who learn by observation. The rest of them have to pee on the electric fence for themselves." WILL ROGERS, *The Manly Wisdom of Will Rogers* 2013 F150, 18 mpg 2017 Subaru Legacy, 30 mpg 1957 C182A, 12 mpg - but at 150 mph! _______________________________________ http://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
