Date: Fri, 4 Jun 2010 16:32:42 -0700
Reply-To: Don Hanson <dhanson928@GMAIL.COM>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: Don Hanson <dhanson928@GMAIL.COM>
Subject: Re: fuel pump straining and hose leaking question
In-Reply-To: <892712.40390.qm@web35605.mail.mud.yahoo.com>
Content-Type: text/plain; charset=ISO-8859-1
Not trying to be a smart a** here but if your pump is 'whining louder' and
that whining comes on after it (the pump) has run for a few seconds to build
up the fuel pressure...and you have a leaky fuel hose at the connections
from the pump to the filter only...you probably do have a clogged up
filter. The pumps are designed to build substantial pressure..so yeah, it
could force fuel past the clamps on the hose between a clogged filter and
the pump outlet...
Get you a fresh filter before you bust that pump....The fuel filter change
is normal maintenance on vehicles...Even if that is not the specific cause
of your weeping hose and noisy pump...you won't be wasting the money for a
filter swap.
Don Hanson
On Fri, Jun 4, 2010 at 3:32 PM, most david <dmost@yahoo.com> wrote:
> Hi. I've had some experience with noisy fuel pumps and dirty fuel filters,
> but I haven't seen this before, and I'm seeking advice from those with more
> wisdom.
>
> I hadn't started my van ('87 2.1) for a couple of weeks, and it took some
> cranking to get it going (nothing terribly excessive, but the battery tends
> to be a bit weak after not using it for a few weeks). Actually it did start
> on the second or third try, and it idled just fine. However, after around
> 10 or 15 seconds, the fuel pump started to whine a lot louder than usual,
> and the whining seem to come on rather gradually (by which I mean over a few
> seconds rather than in an instant).
>
> Idling continued to be fine, and I drove it for a few minutes, getting it
> up to normal operating temperature. The whine persisted, so I looked under
> the van after turning the engine off. I then noticed that the exterior of
> the small (2 inch) hose between the outlet of the pump and inlet of the
> filter was completely damp with fuel and that small drops of fuel were
> forming around the clamps.
>
> So, here are my questions. I recognize that a fuel filter can get clogged
> to a point that will cause the pump to strain (and be noisy). Might this
> happen all of a sudden (and possibly be related to the motor not being
> started for a few weeks? And, can a clogged filter cause the pump to push
> fuel through the hose clamps to the exterior of the hose (because the filter
> is so clogged "all of a sudden")? What else might cause this single little
> hose to be soaked in fuel (i.e., everything else is dry)?
>
> Thanks!
> David
>
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