I am wondering if anywhere on earth exists
> specific information on how the VW Vanagon is assembled and built.

Doug:

There is a really neat '87 Dealer movie (Starring Chris Economackie) showing
some of the factory process and some cool '80's shots of Vanagon's and
Westys.

You can download several sizes and resolutions at www.vanagon.com

Pete
'87 Westy
"Joe's Van"