My 1980 Westy did this too, it turned out to be a clogged fuel filter.
Replaced the filter and the noise went away.   ...JMM

Justin M. Mayrand
1980 Westy "SuperVan"

> I just came back from browsing the archives on this issue, but not quite
> satisfied with what I found.
>
> The fuel pump on my 85 1.9 WBX has been making this noise as if a giant bumble
> bee was trapped inside (took that from an earlier post - not my creation) for
> a while when warm and audible only at idle. On and off, not consistently. This
> seems to be a pretty common issue.
>
> However what I didn't find in the archives, was if this is a sign of a dying
> fuel pump, or if it is more like standard vanagon noise. $250 just to get the
> same noise from a younger pump? What's the typical life expectancy of a stock
> fuel pump?
>
> BTW: So far I only listened to the noise. I neither took anything apart nor
> checked the fuel filter for clogging at this point.
>
> Thanks
> Joachim
>
> '85 Westfalia Spielmobil
> Acton, MA
>
>
> Joachim
>
> '85 Westfalia 1.9 WBX 'Spielmobil'
> Acton, MA