GL 5,
and there's no drain plug.
You either suck the old gear oil out of the filler hole,
or drop the oil pan on the bottom of the differential area.

I'm sure others have posted the same by now.

Scott
www.turbovans.com

----- Original Message -----
From: "Loren Busch" <starwagen@GMAIL.COM>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Friday, June 04, 2010 9:39 AM
Subject: Re: auto trans final drive

> RE: Lube in the final drive
> Annie still hasn't received an answer to her original question:  What lube
> (like weight and type) to use in the final drive.  Plus, how/where to
> drain
> old lube?