Was on vagcat and saw there is a little bush that lives at the flywheel end of the crankshaft - number 13
http://www.vagcat.com/epc/cat/vw/PO/1990/9/49/144150/
I don't remember ever seeing this before but I tried VW for one and they are obsolete.
Are they necessary?
Did a search and couldn't find anything...
ive never seen one on a g