Posted 3/1/2021 08:59 (#8865535 - in reply to #8865292) Subject: RE: What to with on board DEF after a delete?
East central Alberta
My guy told me to drain it and put a couple gallons of windshield de icer in the tank(methyl hydrate). That will keep the little bit left from crystalizing and if the time comes for someone to make it function again, it burns better than def.