I came across this site with lots of diagrams as well...
http://www.wagenstad.com/index.php
Doesn't go too far back for Transporters ('91 is the oldest) however for those of us with engine conversions (like Jettas) it's of some use.

Regards, Peter Kraiker
nextchapter.kraikerphoto.com
Toronto, ON, Canada
'82 L Westfalia 1.9 TD 5 Spd (Babe)

On 2011-04-27, at 2:44 PM, Jake de Villiers wrote:

> I should add - click on 'Bus Catalog'
> 
> 
> 
> On Wed, Apr 27, 2011 at 11:43 AM, Jake de Villiers <
> crescentbeachguitar@gmail.com> wrote:
> 
>> Hey Gang,
>> 
>> For those of you who don't have ETKA, there is a German site with a very
>> comprehensive collection of zipped PDFs for 2WD, Syncro, Diesel, AC and WBX
>> engines.    Download here:  http://www.wagenteile.com/index_e.html
>> 
>> --
>> Jake
>> 
>> 1984 Vanagon GL 1.9 WBX - 'The Grey Van'
>> 1986 Westy Weekender/2.5 SOHC Subie - 'Dixie'
>> 
>> Crescent Beach, BC
>> 
>> www.thebassspa.com
>> www.crescentbeachguitar.com
>> http://subyjake.googlepages.com/mydixiedarlin%27