Thanks Don. I've edited the block and assigned it to layer 0. Then saved it and changed the insertions to the desired drawing layer. Also set my Native Draw to GDI. Set viewports to render for print only.
The layer visibility issue seems to be corrected now.
Somehow in all of this some of my drafting WASHER part/assemblies got corrupted. So, I deleted the assembly and recreated it from Model space. I've attached the drawing and under the Washer trying to create a front or back view I get a line showing up, easily seen in the preview, that isn't in the drawing anywhere?
As always, any help is greatly appreciated.