You can certainly take the old CV joint off the shaft and put a new one on
... but you need to remove the shaft from the van first.  Here's a link to
Tom Carrington's article on CV joint servicing:

http://volksweb.relitech.com/cvjoints.htm

Mike

> Anyone know if it Is possible to replace the outter CV without removing
the
> shaft? If so how?  I see the shaft with both CVs is available from the Bus
> depot but only for manual trans. Is the same available for the auto?
Thanks  all.
> Spencer
> 85 Westy