Def Fluid LIfe
Hi all, My 2013 Duramax has been sitting in my garage since last Oct. Should I be worried about the DEF fluid degrading and possibly causing problems when I hit the road this month? Couldn't find ...
Forum Discussion
Some of the instances of water DEF from Wal Mart have had seals intact. They are actually gluing them back down in case Wal Mart should check it.
