For me it was the fuel filter change.
Zoltan
----- Original Message -----
From: "James Ballen" <ballenjames@HOTMAIL.COM>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Sunday, June 12, 2005 2:14 PM
Subject: Fuel pump buzzing...again.

> Hey all,
>
> My fuel pump starting to buzz pretty loudly about a month ago.  I knew
> that
> it was atleast 10 years old, so I decided to replace it.  I replaced the
> pump, filter, and all the hose in the immediate area.
>
> About a day later, it started to buzz again.  Now, it is silent and fine
> for
> the first 15 or 20 minutes of driving, but once the van heats up to normal
> temp. (might just be coincidence?) it starts to buzz pretty loudly.
>
> I haven't done a fuel pressure test as I don't have the gauge or hose to
> do
> it, but what else could it be? fuel pressure regulator? I've noticed no
> power loss or abnormal operation.  The van still gets about 16mpg...no
> matter what I do to it!
>
> Would love to hear suggestions from folks who have dealt with this before.
>
> Thanks!
> James
> '83.5 2.1 country homes camper
>