[Vwdiesel] VE pump problem

Mon Jan 19 13:22:18 PST 2015

One thing I resorted to was using a mighty vac to prime and purge the pump
on my old rabbit. Not sure if it would work in this case but it's worth a
try.
On Jan 19, 2015 3:13 PM, "Doug Ferguson" <hwy9fergs at comcast.net> wrote:

> Sandy, I would suspect air in the pump (lost prime from sitting nose up),
> and perhaps the vane pump inside is marginal, and cannot properly purge all
> the air out. Do you have a method you've used for priming?  If not I can
> share what I've done in the past.  Got to have nothing but fuel in
> there. Can't think of anything else that would have just happened to
> occur after parking like that, although it's good to check on what the
> other guys said as well.  Best of luck.  Doug Ferguson
>
> ----- Original Message -----
>
> Message: 2
> Date: Mon, 19 Jan 2015 03:59:39 -0800
> From: Bud <budski at gmail.com>
> To: sandy cameron <scameron at storm.ca>
> Cc: diesel <vwdiesel at vwfans.com>
> Subject: Re: [Vwdiesel] VE pump problem
> Message-ID:
>         <CAKdrtMYT-e5aZ=jgHtdrv-6+iL8e=
> 1bnDFm7fYk3vfmw2U_YQA at mail.gmail.com>
> Content-Type: text/plain; charset=UTF-8
>
> Sandy,
> If I remember, I sort of had the same problem one time.  When you took the
> banjo bolt out, did you inspect the little hole to see if it was clogged?
>
> I had run some filtered WVO in mine and it cleaned things out of my pump so
> good it clogged the hole and it restricted the return line.
>
> I've resealed the pump and can't think of anything internal, here's a link
> to some pics I took plus a link in the text on how to do the job, maybe a
> few pics will jog some collective memories.
>
> Do you work HF?
>
> 73 de Bud
>
> On Sun, Jan 18, 2015 at 7:13 PM, sandy cameron <scameron at storm.ca> wrote:
>
> > I can't remember if I have ever asked for help on this forum before, even
> > tho I have been here for years.
> >
> > Cutting to the chase, My trusty, but venerable 1989 1.6 TD has suddenly
> > developed a pump problem.
> >
> > On Friday, 16 Jan, I ventured north west  from Stittsville, near Ottawa,
> > to Arnprior, about 25 miles NW from here.
> >
> > The trip was uneventful (except for the arctic temperatures, What a great
> > little heater she has!) at speeds around 60 mph.
> > A couple of times I found myself creeping above that, and had to ease off
> > to avoid velocity taxes eagerly collected by our provincial government,
> > who's premier refers to us as "revenue tools".
> >
> > Arriving at destination,  I parked in a steep driveway, nose up, and
> spent
> > an hour delivering an old 2 metre ham rig, setting it up, and making a
> few
> > local contacts.
> >
> > The owner and I then headed out to a local coffee shop to celebrate. I
> > started up normally, backed down the lane into the street, and drove off.
> >
> > I quickly noticed the car was not behaving properly, it would idle
> > normally, and run a street speeds,but topped out at about 2800rpm. (no
> > tach).
> > The "top-out " felt like fuel starvation.
> >
> > I made it home at 45-50mph max, on the level and down hill, and struggled
> > up the hills at about 30mph. The "fuel starvation was consistent, and
>  the
> > speed varied with the load.
> >
> > My fuel system is plumbed with clear tubing, so the diagnosis developed
> > quickly. The filters were all ok and fuel flowed freely right  out of the
> > OEM filter.  Yet, the transfer pump in the injection pump would not suck
> > fuel.
> >
> > As always, with fuel delivery issues, I rigged my specially designed "IV
> > drip" apparatus, feeding the pump directly. Even with the supply jug
> > elevated above the pump, fuel would not flow.
> >
> > I cracked the inlet banjo bolt, and fuel gushed out by gravity.
> >
> > The obstruction or defect is INSIDE THE PUMP!!
> >
> > It may be mechanical, like a spring or lever in the governor section, but
> > that would not affect the fuel flow.
> >
> > The car had behaved completely normal up to being  parked nose-up, and
> > went in to the partial fail mode as soon as it was next moved. (an hour
> > later)
> >
> > On the half-hour return journey, it behaved normally, except it could not
> > go faster than 50 mph, and drooped on hill ascents.
> >
> > It was NOT icing or Gelling, because it was thoroughly warmed up to
> normal
> > temperature. and the blockage is internal to the pump, as proved by the
> > fuel douche bag.
> >
> > How does the pump internal pressure control work? is it a bypass return,
> > spring control valve?
> >
> > What could happen in the transfer pump that would cause it to quit from
> > being parked nose-up?  Or, just being shut off for an hour and then
> > re-started?
> >
> > I have a couple of pumps here I can swap in, but I'm fishing for a
> > "simple, stupid" solution.
> >
> > James, I'm counting on you>
> >
> >
> > _______________________________________________
> > Vwdiesel mailing list
> > Vwdiesel at vwfans.com
> > http://www.audifans.com/mailman/listinfo/vwdiesel
> >
>
>
> ------------------------------
>
> Message: 3
> Date: Mon, 19 Jan 2015 09:03:09 -0700
> From: "Andrew .Libby" <libbybapa at gmail.com>
> To: Bud <budski at gmail.com>
> Cc: diesel <vwdiesel at vwfans.com>
> Subject: Re: [Vwdiesel] VE pump problem
> Message-ID:
>         <
> CAJmMo+WRmEG0NwxkHuw-LLQceiuygwmLOiDeNB5AzYk5zg5Syg at mail.gmail.com>
> Content-Type: text/plain; charset=UTF-8
>
> As mentioned, the most likely blockage would be the tiny screen/orifice in
> the OUT bolt.  I would check that first.  I would also check to make sure
> there is not an obstruction in the fuel line that returns to the tank.
> There is a 'pressure regulator' at to top of the pump case by the sprocket
> and #1 injector.  That could also potentially seize although I've never
> seen that happen.  It may be able to be removed using an open-end 10mm
> wrench depending on how it is rotated when tight.  Otherwise, a 'special
> socket is required.  I made my special socket by using a dremel and
> chainsaw sharpening bit to grind out 4 of the six flats in a 6-pt 10mm
> socket.
>
> On Mon, Jan 19, 2015 at 4:59 AM, Bud <budski at gmail.com> wrote:
>
> > Sandy,
> > If I remember, I sort of had the same problem one time.  When you took
> the
> > banjo bolt out, did you inspect the little hole to see if it was clogged?
> >
> > I had run some filtered WVO in mine and it cleaned things out of my pump
> so
> > good it clogged the hole and it restricted the return line.
> >
> > I've resealed the pump and can't think of anything internal, here's a
> link
> > to some pics I took plus a link in the text on how to do the job, maybe a
> > few pics will jog some collective memories.
> >
> > Do you work HF?
> >
> > 73 de Bud
> >
> > On Sun, Jan 18, 2015 at 7:13 PM, sandy cameron <scameron at storm.ca>
> wrote:
> >
> > > I can't remember if I have ever asked for help on this forum before,
> even
> > > tho I have been here for years.
> > >
> > > Cutting to the chase, My trusty, but venerable 1989 1.6 TD has suddenly
> > > developed a pump problem.
> > >
> > > On Friday, 16 Jan, I ventured north west  from Stittsville, near
> Ottawa,
> > > to Arnprior, about 25 miles NW from here.
> > >
> > > The trip was uneventful (except for the arctic temperatures, What a
> great
> > > little heater she has!) at speeds around 60 mph.
> > > A couple of times I found myself creeping above that, and had to ease
> off
> > > to avoid velocity taxes eagerly collected by our provincial government,
> > > who's premier refers to us as "revenue tools".
> > >
> > > Arriving at destination,  I parked in a steep driveway, nose up, and
> > spent
> > > an hour delivering an old 2 metre ham rig, setting it up, and making a
> > few
> > > local contacts.
> > >
> > > The owner and I then headed out to a local coffee shop to celebrate. I
> > > started up normally, backed down the lane into the street, and drove
> off.
> > >
> > > I quickly noticed the car was not behaving properly, it would idle
> > > normally, and run a street speeds,but topped out at about 2800rpm. (no
> > > tach).
> > > The "top-out " felt like fuel starvation.
> > >
> > > I made it home at 45-50mph max, on the level and down hill, and
> struggled
> > > up the hills at about 30mph. The "fuel starvation was consistent, and
> > the
> > > speed varied with the load.
> > >
> > > My fuel system is plumbed with clear tubing, so the diagnosis developed
> > > quickly. The filters were all ok and fuel flowed freely right  out of
> the
> > > OEM filter.  Yet, the transfer pump in the injection pump would not
> suck
> > > fuel.
> > >
> > > As always, with fuel delivery issues, I rigged my specially designed
> "IV
> > > drip" apparatus, feeding the pump directly. Even with the supply jug
> > > elevated above the pump, fuel would not flow.
> > >
> > > I cracked the inlet banjo bolt, and fuel gushed out by gravity.
> > >
> > > The obstruction or defect is INSIDE THE PUMP!!
> > >
> > > It may be mechanical, like a spring or lever in the governor section,
> but
> > > that would not affect the fuel flow.
> > >
> > > The car had behaved completely normal up to being  parked nose-up, and
> > > went in to the partial fail mode as soon as it was next moved. (an hour
> > > later)
> > >
> > > On the half-hour return journey, it behaved normally, except it could
> not
> > > go faster than 50 mph, and drooped on hill ascents.
> > >
> > > It was NOT icing or Gelling, because it was thoroughly warmed up to
> > normal
> > > temperature. and the blockage is internal to the pump, as proved by the
> > > fuel douche bag.
> > >
> > > How does the pump internal pressure control work? is it a bypass
> return,
> > > spring control valve?
> > >
> > > What could happen in the transfer pump that would cause it to quit from
> > > being parked nose-up?  Or, just being shut off for an hour and then
> > > re-started?
> > >
> > > I have a couple of pumps here I can swap in, but I'm fishing for a
> > > "simple, stupid" solution.
> > >
> > > James, I'm counting on you>
> > >
> > >
> > > _______________________________________________
> > > Vwdiesel mailing list
> > > Vwdiesel at vwfans.com
> > > http://www.audifans.com/mailman/listinfo/vwdiesel
> > >
> > _______________________________________________
> > Vwdiesel mailing list
> > Vwdiesel at vwfans.com
> > http://www.audifans.com/mailman/listinfo/vwdiesel
> >
>
>
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>
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>
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