Re: Errata: injector o-ring replacement

["the mad bastard" <the-mad-bastard@home.com>]

    hey, since we don't have an injector replacement procedure on
www.scirocco.org, then i think that christian's instructions be used.

    whatcha'll think?

jason
the mad bastard

----- Original Message -----
From: Brett Van Sprewenburg <brett@netacc.net>
To: <scirocco-l@scirocco.org>
Sent: Thursday, August 02, 2001 12:56 PM
Subject: Re: Errata: injector o-ring replacement


>
> And a 'free' tool for this is the back side of one of the Lisle triple
> square drivers...you know the ones with the CV joint driver and the head
> bolt driver?  They're 4 to a set, cost about $10 at Pep Boys for them. Ah,
> I just adore using a tool in a way that was never intended by it's
creator.
>
>
> ==Brett
>
>
> >IIRC, the hex tool is 13mm not 12 as I stated originally.
> >
> >
> >----- Original Message -----
> >From: "Christian Els" <tiAn@usiw.net>
> >To: "Corey Muscavitz" <skyrocco16v@prodigy.net>; "scirocco list"
> ><scirocco-l@scirocco.org>
> >Sent: Thursday, 02 August, 2001 11:39
> >Subject: Re: injector o-ring replacement
> >
> >
> > > This is very straight forward and doesn't "require" any special tools,
> > > although the puller is handy.
> > >
> > > Your 16V has two o-rings per injector, go ahead and get all eight.
> > >
> > > Your 16V also has plastic injector seats, also with an o-ring per, go
> >ahead
> > > and buy all these as well. The plastic bakes as your engine runs, gets
> >very
> > > brittle with age. They're cheap, replace them too.
> > >
> > > I use a medium size standard (8") screwdriver with the tip bent a
little
> > > from prying too hard on something immoveable. I pry against the lower
> >intake
> > > manifold and try to keep the injector straight relative to the seat by
> > > holding the top with my other hand.
> > >
> > > With old seats, you will likely break at least one, which will drop
into
> >the
> > > head. Oops. Hopefully you can fish them out with a coat-hanger-hook,
else
> > > you may have to pull the intake manifold. It is plastic, so if a few
> >*small*
> > > fragments get lost they will pass harmlessly (not guarantee implied ;)
> > > through the exhaust, but to try to get all the pieces out.
> > >
> > > The injector seats require a 12mm hex tool which I ended up having to
> >source
> > > from Snap-On as Sears, Napa, et al didn't carry that large a size.
> > >
> > > I used non-silicone, sensor safe anti-seize on the seats when I
installed
> > > them, along with the new o-ring. This prolly wasn't necessary but
added
> > > peace of mind for me.
> > >
> > > When re-seating the injectors into the seats, be sure to keep them
> > > perpendicular to the seat else they will crack your new seat and
either
> >leak
> > > air or require R&R again.
> > >
> > > I use a brass drift and a small mallet to gently tap the injector back
> >down
> > > into place, working around the circumference of the injector to keep
it
> > > even. You will hear a decided change in report when the injector has
> > > bottomed in the seat, letting you know it is in place.
> > >
> > > All-in-all it took me about 45 minutes to replace mine, made for a
much
> > > smoother idle and better off-idle throttle response on my 145K mile
motor.
> > >
> > > Good luck.
> > >
> > > Christian Els
> > > 87 16V
> > >
> > >
> > > ----- Original Message -----
> > > From: "Corey Muscavitz" <skyrocco16v@prodigy.net>
> > >
> > >
> > > > i've been thinking about doing the injector o-rings in my 88 16v
because
> > > it
> > > > has never ran right when it was cold since i got it.  are there any
> > > special
> > > > tools that i need to do this?  i have a bently, but i was wondering
if
> > > > anybody has any tips on how to do this... i've never pulled teh
> >injectors
> > > > before, so i'm kinda nervous.  oh, maybe i should get new o-rings
first!
> > > > where is a good place to get these from?  thanks
> > > > corey
>
>  \/  '84 Scirocco (ITB racer 2B) | "Hot VW's, take two home. They're
small"
> \/\/ '88 Scirocco 16v (Show), '92 Passat 16v (Winter+) | -
brett@netacc.net
>
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