On Jan 27, 2008 7:19 PM, Allan Streib <streib@cs.indiana.edu> wrote:
<snip>
> Today I filled it up full.  But, just as the pump shut off, I heard
> splashing under the van.  Looked underneath, and a significant amount
> of gasoline was spilling out of the center "valley" of the tank.
> Probably at least a pint, maybe more, went onto the ground.
>
> Looking at the Bentley illustrations, it appears that the most likely
> suspect that could leak that amount of fuel that quickly would be the
> fuel sender opening.  That's assuming, of course, that the tank does
> not have a completely open rust hole in the top.
>

Allan,

More likely than the fuel sender opening are the grommets where the
crossover tube inserts into the tank, or the grommets where the tubes
to the overflow tanks insert. Our favorite vendors all sell tank seal
kits with these parts. Dennis' advice is right on re: checking the
whole system.

--
John Meeks

'91 Multivan, '85 GL bits
Northern Michigan
KC8ZFN

Vanagon Rescue Squad
http://www.vanagonauts.com/Vanagon_Rescue_Squad74.htm