Hmm, the only time I can hear the pump on either van (aside from  the
Ignition on test cycle) is when the fuel filter is clogged, making the pump
sound like a laminate trimmer working on Arborite.

Both vans have the stock mounts.

On Mon, Mar 15, 2010 at 12:43 PM, neil n <musomuso@gmail.com> wrote:

> On 3/15/10, miguel pacheco <mundopacheco@gmail.com> wrote:
> > Insulating the pump brings up a couple of thoughts. The first is the
> > obvious heat issue. These pumps are cooled by the fuel they move and
> > must be, to some extent, by air blowing across the exterior surface.
> > If you've insulated the pump, will the fuel cool it sufficiently?
> > Won't this cause it to run hot and result in failure? The second
> > thought is that if you can hear the pump, there's something wrong.
> > Usually, this means that it is fuel starved or it's getting ready to
> > fail. In short, it may be useful to be able to hear the pump, should
> > it ever start making noise.
> > If the pump is properly installed and it is making noise, it's
> > probably fuel starved. At 20+ years old,  you can look to the fuel
> > tank as the cause.
> > Miguel
>
>
> I was thinking of pump cooling not long ago. During my last trip
> through hotter climes, pump was getting louder. In particular noticed
> this after refueling, restarted, at idle. Pump noisier than normal.
> Likely due to heat affecting fuel in tank, (contributing to pump
> cavitation?) but I wondered if pump itself was being affected by
> ambient temps. Pump is almost new but fuel tank has the smaller ID
> outlet. This doesn't help.
>
> In terms of cooling, I wondered if having the belly pan off would help.
>
> As per Davids comment, he beat me to the punch. (my browser quite
> before I could post!)
>
> Could one use a Bosal DV type exhaust hanger (isolater)?
>
> Cheap.
>
> Neil.
>
> --
> Neil Nicholson '81 VanaJetta 2.0 "Jaco"
>
> http://tubaneil.googlepages.com/
>
>
> http://groups.google.com/group/vanagons-with-vw-inline-4-cylinder-gas-engines
>

--
Jake

1984 Vanagon GL
1986 Westy Weekender "Dixie"

Crescent Beach, BC

www.thebassspa.com
www.crescentbeachguitar.com
http://subyjake.googlepages.com/mydixiedarlin%27