[Shotimes] Re: 215 code persists

Fri, 14 May 2004 07:44:30 -0700

I stand corrected.
----- Original Message -----
From: "James F. Ryan III" <av8r567@optonline.net>
To: "fgeorge" <fgeorge@pacbell.net>; "Justin Schick" <jschick@aafp.org>;
<shotimes@autox.team.net>; <TechSHO@topica.com>
Sent: Thursday, May 13, 2004 7:54 PM
Subject: Re: [Shotimes] Re: 215 code persists


> No, no, no, no, NOT silicon dielectric.  You need a "thermal compound"
like
> the stuff used between your CPU and its heat sink.
>
> The back of the DIS may feel smooth, but it's not.  The mounting boss
> surface on the crossover tube may feel smooth, but it's not.  On a
> microscopic level the two surfaces are full of peaks and valleys.  When
the
> DIS is mounted on the crossover tube you get 50% surface contact at best.
> When a VERY THIN layer of thermal compound is used between the 2 surfaces
> the valleys are filled and a much larger surface contact area results.
> Silicon dielectric fills the valleys but does not have any thermal
transfer
> abilities.
>
> You can get thermal compound at CompUSA and the like.  It costs about $1-2
> for generic stuff, or a few dollars more for compounds that contain small
> metal particles (Silver, or Aluminum, or Copper).
> http://www.pcpartscollection.com/arsi3prsipot.html
> http://www.xpcgear.com/thermalcomou.html
>
> You can get Permatex brand silicon dielectric at AutoZone, but it's not
what
> you want in this application.  If you used the silicon dielectric DIS,
> remove it by lightly sanding and/or electrical contact cleaner spray (or
> brake cleaner should work, too).
>
>
> ----- Original Message -----
> From: "fgeorge" <fgeorge@pacbell.net>
> To: "Justin Schick" <jschick@aafp.org>; <shotimes@autox.team.net>;
> <TechSHO@topica.com>
> Sent: Thursday, May 13, 2004 8:10 PM
> Subject: Re: [Shotimes] Re: 215 code persists
>
>
> > Da DIS needs plenty of the "little white (di-electric) stuff" smeared on
> the
> > back, according to the Ford shop manuals. My DIS went bad about seven
> years
> > ago. I replaced it and it seems fine now.
> >
> > Fred
> > 89 GEN 1 original owner
> > 123,000 miles
> > ----- Original Message -----
> > From: "Justin Schick" <jschick@aafp.org>
> > To: <shotimes@autox.team.net>; <TechSHO@topica.com>
> > Sent: Thursday, May 13, 2004 2:33 PM
> > Subject: [Shotimes] Re: 215 code persists
> >
> >
> > > Thanks for the reply Terry.
> > >
> > > No, I have not tried a new DIS but you read my mind, it was next on my
> > list. I noticed when I cleaned up the screws for it very little of the
> white
> > stuff was left on its back, and it was hard and crusty, not gelatanous.
> What
> > do you think?
> > >
> > > Justin
> > >
> > > >>> twr1021@yahoo.com 5/13/2004 4:27:12 PM >>>
> > > Justin,
> > >
> > > Have you tried another DIS module?? We had a local guy here that
showed
> a
> > coil circuit failure and it turned out to be a bad DIS.
> > >
> > > Terry
> > >
> > > Justin Schick <jschick@aafp.org> wrote:
> > >
> > > Greetings all,
> > >
> > > Even with my replacement coil in place, the 215 code still haunts me.
> > > Since replacing the coil I've also checked all of the underhood
grounds
> > > I could find (including the screws holding the DIS and crossover tube
> > > on), and the plug-in connections for the DIS and coil. Everything
> > > appears hunky dory.
> > >
> > > The symptoms are that usually right at startup, it will run rough and
> > > throw the CE light. Eventually the CE light goes out and it runs
> > > perfect. Usually it takes just a few seconds for the condition to
clear
> > > up, othertimes many minutes. When the CE light is on the tach jumps
> > > around some (I swapped the cam sensor with a spare used one, also with
> > > no change).
> > >
> > > The KOEO test I ran over lunch today also gave me a 519 code (PSPS
> > > circuit open) and 452 (insufficient input from VSS). I'm not really
> > > worried about these unless, in combination with the 215, they point to
> > > something else.
> > >
> > > Any input would be greatly appreciated!
> > >
> > >
> > >
> > >
> > > Justin Schick
> > > silver 92 SHO in KC MO
> > > 205k and counting quickly
> > >
> > > ===========================================================
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> > > campus. Classrooms and student service as close as your
> > > computer. Highly accredited, study anytime * anywhere.
> > > http://click.topica.com/caaccM2b1dhxAb2Q9YZf/ AIU
> > > ===========================================================
> > >
> > >
> > >
> > >
> > >
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