Date: Mon, 24 Jun 2002 22:02:59 -0500
Reply-To: wilden1@JUNO.COM
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: Stan Wilder <wilden1@JUNO.COM>
Subject: Re: Noisy fuel pump
Content-Type: text/plain; charset=us-ascii
Ladies and Gentlemen, (just to steal a phrase)
The Vanagon has a strainer sock on the fuel pickup tube in the tank.
After this thing rots off you start getting some debris from your tank.
The very detergent fuels we get today clean your tank very well and
anything that is crusty will eventually fall off and find your filter.
My 83 Westy has the filter before the pump, I've seen later models with a
large canister filter after the pump (can't explain the thinking of VW).
Since fuel filters are less than five dollars US it is your own fault if
your filter halts you on the road or clogs up and overworks your fuel
pump until it fails.
I chose a different route by installing a 91 Ford FI filter on my Westy.
Its about 4 inches long and 4 inches in diameter, it has a built in check
valve for one way flow to prevent filter sludge from going back into the
tank.
It is also about a 5 dollar filter.
The little visible fuel filters with the replaceable cartridges are used
on a lot of commercial lawn and farm equipment if you decide you want
one.
Stan Wilder
On Mon, 24 Jun 2002 22:40:32 -0400 Ben huot <huotx@VIDEOTRON.CA> writes:
> Ladies and Gentlemen,
> On most cars the filter is always after the fuel-pump, why!
> The pump is inside the tank! It would be a difficult task to change
> the
> filter if it was in the tank.
>
> Second, the pump is design so it can absorb some, and I say some
> small rust
> or dirt particle without being damage. (not big chunk of rust)
>
> Third, if the pump was after the filter, it would have to cope with
> constant restriction and fuel pressure variation form the filter. We
> can
> debate that subject forever but it look like most car engineer
> agreed to
> put the filter after the pump.
>
> In conclusion, I don't agree with that. So what I did is put a
> second very
> large restriction-free cleanable fuel filter before the pump (like a
> big
> net), this way I can check once in a wile to see if I got some big
> chunk
> and if my tank is going away. This filter can be disassembled and
> clean. (I
> don't remember the brand)
> The noisy pump is not necessarily a sign of clogging but a sign of
> fatigue
> (that can last for years). Both ways, you're up for a new pump soon,
> or not
> so soon.
>
> Buy a spare one and also get a spare fuel pump relay.
>
> Well, I had a great long weekend fist camping trip; the westy is a
> great
> camping friend and a good crowd pleaser. 600 trouble free miles
> later, like
> always with my van... (With a somewhat noisy fuel pump)
>
> I wish you all a good and very nice summer and plenty of trouble
> free miles
> with your van. Meet some new pal, see the world and have a good beer
> around
> a fireplace. Is that why we own a westy!
>
> Cheers, Ben
> http://www3.sympatico.ca/huotx/engine1.htm
>
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