Re: VE pump problem
Gunny <[email protected]>
| Newsgroups | gmane.culture.cars.volkswagen.diesel |
|---|---|
| Message-ID | <CAN2_W=cUSWscp0FZ51+we+a+=JrZW18JaQ4MCRurzNh_N3zCpA@mail.gmail.com> |
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" <[email protected]> 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 <[email protected]> > To: sandy cameron <[email protected]> > Cc: diesel <[email protected]> > Subject: Re: [Vwdiesel] VE pump problem > Message-ID: > <CAKdrtMYT-e5aZ=jgHtdrv-6+iL8e= > [email protected]> > 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 <[email protected]> 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 > > [email protected] > > http://www.audifans.com/mailman/listinfo/vwdiesel > > > > > ------------------------------ > > Message: 3 > Date: Mon, 19 Jan 2015 09:03:09 -0700 > From: "Andrew .Libby" <[email protected]> > To: Bud <[email protected]> > Cc: diesel <[email protected]> > Subject: Re: [Vwdiesel] VE pump problem > Message-ID: > < > CAJmMo+WRmEG0NwxkHuw-LLQceiuygwmLOiDeNB5AzYk5zg5Syg@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 <[email protected]> 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 <[email protected]> > 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 > > > [email protected] > > > http://www.audifans.com/mailman/listinfo/vwdiesel > > > > > _______________________________________________ > > Vwdiesel mailing list > > [email protected] > > http://www.audifans.com/mailman/listinfo/vwdiesel > > > > > ------------------------------ > > Subject: Digest Footer > > _______________________________________________ > Vwdiesel mailing list > [email protected] > http://www.audifans.com/mailman/listinfo/vwdiesel > > > ------------------------------ > > End of Vwdiesel Digest, Vol 135, Issue 6 > **************************************** > > _______________________________________________ > Vwdiesel mailing list > [email protected] > http://www.audifans.com/mailman/listinfo/vwdiesel > _______________________________________________ Vwdiesel mailing list [email protected] http://www.audifans.com/mailman/listinfo/vwdiesel