Greg, VW installed 2 nuts on each of the adjusters rather than lockwashers. The reason for this is that if you have the adjusters tight enough for a lockwasher to work – it is too tight and your rear brakes are dragging. Not good!
Either put two nuts on each side and, once adjusted, tighten the second nut against the first to “lock” or install a nylock on each cable adjuster.
But first, make sure that the emergency brake is slack and adjust the brakes at the rear drums.