While I can't answer your question directly, I just want to note that the automatic tranny in the Vanagon is the same one Audi used in 4000s and 5000s during the 1980s - and spare parts etc. for those are fairly readily available.

James
'91 Weekender automatic
Ottawa, ON

> Date: Wed, 16 Jul 2014 19:21:02 -0400
> From: streetbugs@FRONTIER.COM
> Subject: Auto Trans help 85 Vanagon
> To: vanagon@GERRY.VANAGON.COM
> 
> Hi all
> 
> Local guy in Saline Michigan has a few Auto Trans issues.
> 
> I know "Nuttin" about a auto trans. So I am posting for Him.
> 
> Where do you find auto trans parts and or transmissions and does
> anyone have one available IF needed??
> 
> Feel free to email me.
> I will forward him the info and he will contact you. He is not on the list.
> 
> Jonce