[s-cars] Missing in action - resolved!!!

[Bob Frizzell]

Bob,
I use X-treme tape, supposedly insulates to 8000 volts.  Here's a web site:
http://www.x-tremetape.com/x-tremetape_001.htm
Bob
93 Canucky S4
ps, I appreciate the Bushisms
----- Original Message ----- 
From: "Robert Myers" <robert at s-cars.org>
To: <s-car-list at audifans.com>; "Quattro list" <quattro at audifans.com>
Cc: <iain.atkinson at eastbourne.audi.co.uk>
Sent: Saturday, October 02, 2004 2:17 PM
Subject: [s-cars] Missing in action - resolved!!!


>
> I was clutching at straws.  Ed Kellock tossed me yet another straw.  Try
> swapping the plug cigars.  Well, it was brand new but what the heck.  So I
> swapped cigar #1 for cigar #4.  Reinstalled the coil pack loosely.  I just
> screwed one of the four Allen head bolts (#2) which holds it down loosely
> in place with only mild hand supplied compression of the springs.  Fired
> the engine up and - BEHOLD!!! - no miss!  OK, why a miss when it was at #4
> and not with it at #1?  Iss a puzzlement.  OK, let's fasten it down
> properly.  Left the engine running and put in screw #4 and tightened it
> some and then went back to #2 to tighten it some more.  Then back to #4
for
> some more tightening.  Suddenly it started missing again.  Hmmmm...
Backed
> off of #4 a bit and the miss went away.  Tightened it a bit and it came
> back.  Loosened it again and the miss went away again.  It was consistent>
>
> OK - I have a clue.  Tightening those bolts puts some squeeze on the
> wiring.  Something is either coming separated or is being forced together
> while tightening the bolt.  It's time for some more extremely close and
> careful checking of the recently redone wiring harness.
>
> Pulled the coil pack once again and examined the wiring harness where it
> passes through the little clamp designed to hold the wiring in place.
Aha,
> the wires for #4 cylinder are being compressed very tightly one against
the
> other.  Took the clamp off and looked closely there appears to be an
almost
> microscopic spot where the insulation (shrink wrap) has been cut through
by
> heat and pressure leaving the wires in contact with each other. and
> shorting out (by-passing) the #4 primary windings.  I fixed the situation
> and reinstalled the coil pack once again, this time with all the screws
> fully tightened.  The miss is gone!  (Yippee!!!)   Now the question
> remains, "For how long?"  It looks like perhaps shrink wrap is not the
best
> insulation to used under the conditions experienced in this location.
>
> Can someone recommend a better insulating material to use for this
> job?  Preferably one which is fairly readily available.  I don't mind
> redoing the job once again provided it meets with fairly permanent
success.
>
>
> Bob
> Random Bushism: "More Muslims have died at the hands of killers than - I
> say more Muslims - a lot of Muslims have died - I don't know the exact
> count - at Istanbul. Look at these different places around the world where
> there's been tremendous death and destruction because killers kill."
George
> W. Bush, Washington, D.C., Jan. 29, 2004
> _____
> Robert Myers  304-574-2372
> Fayetteville, WV
> urS6 - Cashmere Grey
> _____
>
>


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