[Vwdiesel] injector leaks

[Erik Lane]

Ok, I finally had time to try to start on this, but I can't find 4400 grit
sandpaper anywhere! The best I can find is 2500. Where do you go for 4400?

Thanks!
Erik

On 10/13/06, Erik Lane <eriklane at gmail.com> wrote:
>
> THANK YOU!! to both of you. I'll give that a try next time I get a chance.
> Probably won't be for a week or two. Hopefully this time it will work! :)
>
> Erik
>
> On 10/12/06, gary <gbangs at cfl.rr.com> wrote:
> >
> > I second this. It has worked for me every time. I use a plate of glass.
> >
> > But I might add... use light pressure and a swirling motion.
> >
> > Be absolutely positive all grit is cleaned off before re-assembly.
> >
> > -Gary
> >
> > LBaird119 at aol.com wrote:
> > > In a message dated 10/12/2006 12:58:54 PM Pacific Daylight Time,
> > > eriklane at gmail.com writes:
> > >
> > >> So I took them back out with much
> > >> grumbling and now don't know what to do. Is there a trick to it that
> > I'm
> > >> just missing, or should I give up and take them in to the pros?
> > >
> > >
> > >   Not really a trick but an IMPORTANT step.  It'll do two things.
> > > Bring pressure specs to new as well as almost insure against
> > > leaking at the halves union.  :-)
> > >   There are 3 surfaces that need worked on.  You'll need a machined
> > > surface, glass or such flat area, some #4400 wet/dry sandpaper and
> > > a little oil.  You'll need to dress the bottom of the upper half.  It
> > almost
> > > always has a groove/ring worn into most of the mating surface.  It
> > > doesn't have to be completely clean, about 85% to 90% groove free
> > > usually does it.  In other words only take it down as much as you
> > need.
> > >   There's a middle piece, about the size of a penny or nickel and
> > about
> > > 1/4" thick.   You'll need to do both sides but the side with two
> > ridges
> > > will take very little.  The all-flat surface will have a ring in it
> > and it's
> > > the
> > > one I was thinking of for the 90% cleanup.  oops.
> > >   Rinse everything simply letting it drip and shake off, with WD-40 or
> > > diesel. Brakleen works better but the pintle/plunger needs to be
> > > lubed with WD or diesel.  Reassemble with just a touch of anti
> > > sieze on the threads of the upper half, to torque spec + 2 or 3
> > > ft.lbs.  I add two ft.lbs in the event you need to use the upper
> > > half at some point to remove the injector.  That way it's tighter
> > > and removes the injector rather than coming apart.  :-)
> > >      Loren
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