Check to see if you have any ventilation to the tank. Do you get a hiss
if you remove the gas gap after the pump starts to whine. You may be
working the pump against vacuum.
On Saturday, October 2, 2004, at 01:25  PM, Automatic digest processor
wrote:

> From:    John Lauterbach <lauterba@BELLSOUTH.NET>
> Subject: Re: Fuel pumps
>
> If I had fuel pump problems before, I did not know about them.  Last
> year, installed new pump when installed new long block.  Over teh past
> eight months or so, I have been getting what I think is fuel pump
> whine.  Don't hear it for the first few seconds the engine is on in
> the morning, then it starts getting louder.  During the past week, I
> can even hear differences in amplitude when I start accelerating from
> a stop.  I am assuming noise is from fuel pump as nothing else on a
> Vanagon would move at the high a frequency.  I have changed fuel
> filter twice since the noise began.  Filters were not obviously dirty.
>
> Does the whine mean that the pump is not getting enough fuel?
>