[Vwdiesel] More Quantum Questions?

Tue Apr 21 07:39:24 PDT 2009

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
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>> >> > >
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>> >> >
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>> >>
>> >
>> >
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>
>