[Vwdiesel] More Quantum Questions?

Tue Apr 21 20:57:44 PDT 2009

It would also have to be long enough that it would be easy to get back out,
but it might make that job easier. But since I only have to do it every
*long* while, I'll probably never bother...

On Tue, Apr 21, 2009 at 7:39 AM, brian gochnauer <brian at gochnauer.net>wrote:

> yeah, putting the spring first, then the bolt, it'd probably have to be a
> pretty stiff little spring.
>
> On Mon, Apr 20, 2009 at 9:00 PM, Erik Lane <eriklane at gmail.com> wrote:
>
> > Hey, thanks! Knowing that will help save me some money! I like the fact
> > that when buying through ebay, if you are dealing with a seller with good
> > feedback, that they have a good incentive to treat you right. Sometimes
> I'm
> > a little suspicious that some internet sellers are just teens in their
> > garage with some stuff they bought at the dollar store or the like.
> >
> > I don't get how you would use the spring with the bolt? Are you thinking
> > down inside the pump?
> >
> > Erik
> >
> >
> > On Mon, Apr 20, 2009 at 5:58 PM, brian gochnauer <brian at gochnauer.net
> >wrote:
> >
> >> wow, guess I didn't try hard enough during the stretching phase or maybe
> I
> >> just had an old 'dried out' seal
> >> I wonder if we found a strong spring and put it under the special bolt,
> if
> >> it could hold enough pressure on it.
> >>
> >> HINT; ebay prothe is www.dieselvw.com and the prices are cheaper at the
> >> website, probably because he doesn't have to pay ebay fees.
> >>
> >>
> >> On 4/20/09, Erik Lane <eriklane at gmail.com> wrote:
> >> >
> >> > Sorry for the confusion.
> >> >
> >> > I successfully stretched my seal, which was also green, over the head
> >> and
> >> > installed it with the head pulled back a *little* from the body - just
> >> > enough to expose the sealing surface where that o-ring goes. I think
> the
> >> > bolt in the middle is more to keep all the cam rollers in place -
> those
> >> were
> >> > the first to drop out of place and require me to remove the pump from
> >> the
> >> > engine on the first one I attempted.
> >> >
> >> > I got my seal kits every time I've done it from "prothe" on ebay and
> >> have
> >> > been happy with them so far. I was careful and worked slowly when
> >> stretching
> >> > the o-ring around the head, but there wasn't any time that I thought I
> >> was
> >> > on the verge of breaking it. So maybe it's a different quality? I
> really
> >> > don't know.
> >> >
> >> > Erik
> >> >
> >> > On Mon, Apr 20, 2009 at 5:26 AM, brian gochnauer <brian at gochnauer.net
> >> >wrote:
> >> >
> >> >>  The seal I had (green) could not be stretched over the head, meaning
> >> that
> >> >> I
> >> >> had to remove the head and the pump piston you've so cleverly kept in
> >> >> place
> >> >> will fall.
> >> >> Yes the bolt in the center would solve the problem of keeping the
> >> govenor
> >> >> lever engaged, until you remove the head, but I don't see how you'd
> >> ever
> >> >> keep the springs lined up with their seats that stay in the pump,
> since
> >> >> that
> >> >> seat also rotates VERY freely.
> >> >>
> >> >> If you had a really stretchy seal, I definitely believe you could do
> >> it.
> >> >>
> >> >> Eric,
> >> >> You successfully did which?
> >> >> ... stretched the replacement seal over the head
> >> >> ... completely removing the head of the pump while in the car and
> >> >> reassembed
> >> >> ... think it is possible, but was unsuccessful
> >> >>
> >> >> brian
> >> >>
> >> >>
> >> >> On 4/19/09, Erik Lane <eriklane at gmail.com> wrote:
> >> >> >
> >> >> > Well, you can replace the O-ring while it's in the car, but you
> first
> >> >> have
> >> >> > to go out and buy a certain bolt that then threads in the hole in
> the
> >> >> > middle
> >> >> > of the high pressure head and you can very slowly and carefully
> back
> >> >> some
> >> >> > out while turning that one in to hold internals in place. It takes
> >> some
> >> >> > care, and if done improperly can damage stuff, but it's not
> terribly
> >> >> > difficult, just a little time consuming.
> >> >> >
> >> >> > I know it's possible, since I've done it, but I also messed it up
> the
> >> >> first
> >> >> > time I tried it and I had to get it out and on the bench to
> >> disassemble
> >> >> and
> >> >> > reassemble correctly. It's not too bad, but can be a little
> >> painstaking.
> >> >> >
> >> >> > All that said, if this guy knows what he's doing and is good like
> >> that,
> >> >> I'd
> >> >> > happily send him a pump next time I need it rebuilt!
> >> >> >
> >> >> > I'll be very interested in hearing what the results are!
> >> >> >
> >> >> > Erik
> >> >> >
> >> >> > On Sun, Apr 19, 2009 at 2:51 AM, William J Toensing
> >> >> > <toensing at wildblue.net>wrote:
> >> >> >
> >> >> > > Well, no more right now but I am sure more will follow. What
> >> follows
> >> >> will
> >> >> > > be a progress report & report of an interesting phone conversion
> I
> >> >> had.
> >> >> > > I bought a used Quantum IP on eBay for $150 & had him forward it
> to
> >> a
> >> >> > > repair person in Maryland whom I shall not name yet, for
> >> rebuilding,
> >> >> > since I
> >> >> > > have not received the pump yet. However, if my gut feeling is
> >> correct
> >> >> > this
> >> >> > > person may prove to be an excellent reliable inexpensive source
> to
> >> >> have
> >> >> > IPs
> >> >> > > repaired. He told me he had finished the pump repair & the total
> >> cost
> >> >> was
> >> >> > > $165 including shipping.
> >> >> > > I had a very interesting conversation with this person who told
> me
> >> he
> >> >> was
> >> >> > > retired from Chrysler Corp. & was involved in the engineering of
> >> the
> >> >> > > Cummings diesel for the Dodge pickup, & was involved with the VE
> >> pump
> >> >> > used
> >> >> > > on the Dodge/Cummings. He said this was a Bosch designed pump
> very
> >> >> > similar
> >> >> > > to the Bosch VE pump used on VWs except the Dodge has 6
> cylinders.
> >> He
> >> >> > said
> >> >> > > he was rather upset with some of these "Redneck Mechanics" who
> were
> >> >> > messing
> >> >> > > up the Cummings VE pumps for more power which he said compromised
> >> >> engine
> >> >> > > longevity in order to "peal rubber" & dropped mileage on a 5
> speed
> >> >> > > Dodge/Cummings from up to 27 MPG to 14 MPG. He also felt it was
> not
> >> >> right
> >> >> > > for some of these "Redneck Mechanics" to get $500 or more for an
> >> hours
> >> >> > work
> >> >> > > rebuilding VW IP pumps, often improperly.
> >> >> > > He also said you can't replace the big "O" ring at the rear of
> the
> >> IP
> >> >> > while
> >> >> > > on the car. It has to be off the car & in a vertical position.
> So,
> >> I
> >> >> > think I
> >> >> > > goofed in trying to replace the rear IP "O" ring while on the
> >> Quantum.
> >> >> I
> >> >> > > will also have a properly rebuilt & re sealed IP out of this. I
> >> will
> >> >> then
> >> >> > > have that one rebuilt & possibly use it on the '86 Jetta & go for
> >> the
> >> >> > turbo
> >> >> > > kit for it.
> >> >> > > Thanks to all who have provided tips so far & hope this long
> >> posting
> >> >> is
> >> >> > of
> >> >> > > interest to others.
> >> >> > > Bill Toensing, Nevada City, CA
> >> >> > >
> >> >> > > _______________________________________________
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> >> >> > > Vwdiesel at vwfans.com
> >> >> > > http://www.audifans.com/mailman/listinfo/vwdiesel
> >> >> > >
> >> >> > _______________________________________________
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> >> >> >
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> >> >>
> >> >>
> >> >
> >> >
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> >
> >
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