Errata: injector o-ring replacement

["Christian Els" <tiAn@usiw.net>]

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>
> To: "scirocco list" <scirocco-l@scirocco.org>
> Sent: Thursday, 02 August, 2001 10:49
> Subject: injector o-ring replacement
>
>
> > 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
> > 88 16v
> > 82 "green machine"
> >
> >
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>
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