This website is nice for this too. With pictures and all, helped me when I did mine.
 
RUmor has it if you transmission needs the bushings replaced one of them live on top of the fuel tank as well I believe, may be a good time to hit that too.
 
http://www.kayakwesty.com/gastank.html

 

 

> Date: Tue, 14 Dec 2010 18:47:56 -0800
> From: transporterjr@YAHOO.COM
> Subject: Re: Gas pouring out when filling the tank
> To: vanagon@GERRY.VANAGON.COM
> 
> If you want a write up on dropping the tank and doing the lines, send me a PM. It's written from memory, but it might not be perfect, but I've done this a couple of times. Dropped tanks 3 - 4 times.
> 
> John
> LiMBO