[s-cars] Spark Plugs

[Fred Munro]

I use a bit of anti-seize on the plug threads and check the torque with a
beam wrench at 1000 km after install and every oil change after that. I can
usually move them a bit to get 22 ft.lb at the 1000 km check but I've never
found them loose after that.

Fred Munro
'94 S4


-----Original Message-----
From: s-car-list-bounces at audifans.com
[mailto:s-car-list-bounces at audifans.com]On Behalf Of Joe Pizzimenti
Sent: September 14, 2005 7:03 AM
To: larrycleung at gmail.com
Cc: s-car-list
Subject: Re: [s-cars] Spark Plugs


Has anyone tried using just a half a dab of anti-seize on the threads to
keep this from happening?

Joe, Nomex and chain mail at the ready, Pizzo

On 9/13/05, LL - NY <larrycleung at gmail.com> wrote:
>
> For the plugs, I tend to prefer bending beam Torque Wrench. Of course, I
> do
> need
> to periodically re-tighten, so there may be merit in your technique. The
> difference is
> that you are no longer tightening to your set torque when you go for
> multiple clicks.
> LL - NY
>
> On 9/13/05, Jerry Scott <jerryscott at wispertel.net> wrote:
> >
> > I have found that the secret to tightening them is to click the torque
> > wrench several times at the 22 ft-lb setting. Each time the plug will
> > move as the gasket crushes. When it stops moving it should stay tight.
> > If you only click once, it will likely come loose.
> > Jerry
> >
> > Robert Myers wrote:
> >
> > >FYI, Wayne, a 5 mm Allen wrench exposes the plugs and no special tools
> > are
> > >required to R&R the plugs once they are exposed. The simple little lug
> > >wrench which came as part of the small toolkit with the car also serves
> > as
> > >a plug wrench. Additionally, the screwdriver handle fits into the lug
> > >wrench end to provide better leverage when using the plug wrench. The
> > >proper torque for the plugs is, I hear, 22 ft-lbs. This is about what
> > >feels right to a non-King-Kong guy like me when tightening the plugs by
> > >hand. I've never had one back out on me in 160K miles with my S6.
> > >
> > >
> > >At 06:55 PM 9/12/2005, Wayne Dohnal wrote:
> > >
> > >
> > >
> > >>Matt,
> > >>
> > >>Just in case you're no familiar with the engine, the plugs are under
> > that
> > >>long thin cover in the middle of the valve cover. Look way down,
> that's
> > >>them down there. When I got the car it took me a few weeks of random
> > >>looking around to find them. You'll need a fairly thin-walled socket
> to
> > get
> > >>into the cavity. They're not rare or anything like that, just not
> every
> > >>socket will work. Make you you torque them to spec, and (very
> > important!)
> > >>retorque them at least once after a few hundred miles. These plugs
> have
> > a
> > >>bad habit of coming loose and a few unlucky owners have one blown half
> > way
> > >>through the hood, causing a lot of collateral damage to the engine.
> Mine
> > >>seem to stay tight after the first retorque. When I changed them the
> > first
> > >>time, a couple of the plugs were only finger-tight. It's not a
> horrible
> > >>job, and the new plugs will last for at least a few 10,000s of miles.
> > >>
> > >>Wayne Dohnal
> > >>1994 S4
> > >>
> > >>
> > >>
> > >>--
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> > 9/10/2005
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