[s-cars] 034 HO Coil w/ AAN ECU?

Thu Dec 3 06:09:15 PST 2009

I just cut the factory lines and spliced in as needed.
The T is an Audi factory part from one of the many cars I have parted
out.

Mike

www.urq20v.com

> -------- Original Message --------
> Subject: Re: [s-cars] 034 HO Coil w/ AAN ECU?
> From: Manuel Sanchez <manuelsanchez at starpower.net>
> Date: Thu, December 03, 2009 7:58 am
> To: "Mike Sylvester" <mike at urq20v.com>
> Cc: s-car-list list <s-car-list at audifans.com>
> 
> 
> Mike,
> 
> Thanks, I didn,t see the T in the pic the first time I saw it.
> 
> I am unfamiliar with vacuum lines, and one of mine in this assembly  
> has cracked for whatever reason and I don't think my repair with zip  
> ties is a very good one, so I am trying to find a better way and it  
> looks like you may have found it.
> 
> Where did you source the plastic T, Is it a "special" one due to what  
> I think is/are vacuum lines, correct?
> The plastic vacuum line is a very small diameter, how did you connect  
> the hard plastic vacuum lines that live under the rubber sheathing to  
> the T?
> 
> Thanks.
> 
> -manny
> 
> On Dec 3, 2009, at 7:48 AM, Mike Sylvester wrote:
> 
> > In the 4th picture down you can see where I used a rubber elbow and
> > plastic T.
> >
> >
> > Mike
> >
> > www.urq20v.com
> >
> >> -------- Original Message --------
> >> Subject: Re: [s-cars] 034 HO Coil w/ AAN ECU?
> >> From: Manuel Sanchez <manuelsanchez at starpower.net>
> >> Date: Wed, December 02, 2009 9:05 pm
> >> To: "Mike Sylvester" <mike at urq20v.com>
> >> Cc: s-car-list list <s-car-list at audifans.com>
> >>
> >>
> >> Mike,
> >>
> >> Saw your pics on your site regarding the HO Coils.
> >>
> >> How did you replace the "stock metal T" that gave you the clearance
> >> to mount the bracket and with what did you replace it with?
> >>
> >> FYI... The plug wire that Javad sells now are shorter in the plug
> >> boot section, so now you can fit the coil cover over them, the
> >> original type were longer and did not allow this (as you well know).
> >>
> >> Regards,
> >>
> >> -Manny
> >>
> >> 95.5 ur S6 Avant (mostly RS2'd)
> >>
> >>
> >> On Dec 2, 2009, at 4:34 PM, Mike Sylvester wrote:
> >>
> >>> By ignition chip, do you mean the eprom that gets replaced in an
> >>> upgrade?
> >>> I would find that very surprising that an aftermarket coil could  
> >>> cause
> >>> the ignition eprom to go bad.
> >>> That chip is not driving anything external to the ECU.
> >>> It just contains the map.
> >>>
> >>> WRT to the 034 coil solution, I have had these for a few years.
> >>> You can find some installation photos on my site.
> >>> http://www.urq20v.com/My_other_cars/S6/S6_repair.htm
> >>>
> >>> I also went with the 1.8 coils at first and replaced 2 in 2 weeks.
> >>> I now believe that the coil failures are due to bad plugs.
> >>>
> >>> I had to have the HO coils replaced after about 10k miles.
> >>> It seemed like something corrosive leaked out of the coil into the
> >>> connector and melted them away.
> >>> It was bad on one and starting on another.  034 replaced them  
> >>> all.  It
> >>> has been another 40k without an issue.
> >>>
> >>> I don't know if he has changed the plug wires that he ships, but the
> >>> ones I got, were too long to re-install the center part of the  
> >>> cover.
> >>> I have since reworked some 3B wires and machined the inside of my
> >>> cover
> >>> so that it fits properly.
> >>>
> >>> If you are going to use these on your 3B, the you can swap the ends
> >>> from
> >>> the 034 wires onto yours so that they fit the coils.
> >>>
> >>> All in all they are working for me, but I have to think there is a
> >>> cheaper solution out there now.
> >>>
> >>> Mike
> >>>
> >>> www.urq20v.com
> >>>
> >>>> -------- Original Message --------
> >>>> Subject: Re: [s-cars] 034 HO Coil w/ AAN ECU?
> >>>> From: "Brandon Rogers" <brogers at terrix.com>
> >>>> Date: Wed, December 02, 2009 12:06 pm
> >>>> To: "'Manuel Sanchez'" <manuelsanchez at starpower.net>,
> >>>> <s-car-list at audifans.com>
> >>>>
> >>>>
> >>>> I don't know the details - but do know the failures I was told
> >>>> about do
> >>>> _not_ have to do with being "chipped" - but the way I understand
> >>>> it is some
> >>>> AAN ECUs are failing - and it is the ignition chip within the ECU
> >>>> - he
> >>>> _thinks_ it _might_ be due to aftermarket coil systems.  Again -
> >>>> just his
> >>>> theory.  That's why I'm curious about people's direct experience
> >>>> with this
> >>>> particular coil setup (034) - as I have one I plan to use...
> >>>>
> >>>> So far people here seem to have had good experiences....
> >>>>
> >>>> So to reiterate:
> >>>>
> >>>> Facts:
> >>>> There have been ignition chip failures in some AAN ECUs
> >>>>
> >>>> Theory:
> >>>> Might be due to aftermarket ignition (coils) - didn't say what
> >>>> kind - don't
> >>>> know if he even knows...
> >>>>
> >>>> Brandon
> >>>> '84 urquattro 20Vt
> >>>> '01 S4
> >>>>
> >>>> -----Original Message-----
> >>>> From: Manuel Sanchez [mailto:manuelsanchez at starpower.net]
> >>>> Sent: Wednesday, December 02, 2009 6:26 AM
> >>>> To: s-car-list at audifans.com
> >>>> Cc: brogers at terrix.com
> >>>> Subject: [s-cars] 034 HO Coil w/ AAN ECU?
> >>>>
> >>>>
> >>>> Brandon,
> >>>>
> >>>> I've had the 034 HO coils on my RS2'd car for a couple of years
> >>>> now as well.
> >>>>
> >>>> I had some initial "teething" problems that in the end turned out
> >>>> to be a
> >>>> bad ignition wire (it had a knick in it). Once that was chased
> >>>> down it has
> >>>> been trouble free (knocks on wood).
> >>>>
> >>>> My OE setup failed about 15,000 miles ago, so I obviously can't
> >>>> compare the
> >>>> longevity question with regard to the OE vs 034 systems.
> >>>>
> >>>> I must admit however that in the dark days on trying to chase down
> >>>> what the
> >>>> problem was with the new system I told myself that I should have
> >>>> just bought
> >>>> the more expensive OE Coils and OE POS's, after all, they lasted
> >>>> 100,000
> >>>> miles.
> >>>>
> >>>> Having said that. the 034 HO system is very simple to install, and
> >>>> the new
> >>>> ignition wire boots are of a different length that allows you to
> >>>> place the
> >>>> coil pack cover overtop them spark plug wells so you can keep the
> >>>> crud out.
> >>>>
> >>>>
> >>>> I am curious though about these ECU chip failures you write about.
> >>>> Can you
> >>>> expand a bit more on what the theory or evidence has been? What
> >>>> aftermarket
> >>>> systems have "caused" or been thought to cause the Chip failures?
> >>>> Why does
> >>>> this person surmise that the coils have caused an ECU problem.
> >>>>
> >>>> Regards,
> >>>>
> >>>> Manny
> >>>>
> >>>> 95.5 ur S6 Avant (mostly RS2'd)
> >>>>
> >>>>
> >>>> On Dec 1, 2009, at 10:04 PM, s-car-list-request at audifans.com wrote:
> >>>>
> >>>>
> >>>> ------------------------------
> >>>>
> >>>>
> >>>>
> >>>>
> >>>> Message: 2
> >>>>
> >>>> Date: Tue, 1 Dec 2009 14:53:55 -0700
> >>>>
> >>>> From: "Brandon Rogers" <brogers at terrix.com>
> >>>>
> >>>> Subject: [s-cars] 034 HO Coil w/ AAN ECU?
> >>>>
> >>>> To: <s-car-list at audifans.com>
> >>>>
> >>>> Message-ID: <636621FF56584C19A95437D476CAA475 at BCROGERS>
> >>>>
> >>>> Content-Type: text/plain; charset="us-ascii"
> >>>>
> >>>>
> >>>>
> >>>>
> >>>> Guys-
> >>>>
> >>>> Curious what people know about using the 034 HO Coils with the AAN
> >>>> ECU.  Are
> >>>>
> >>>> many guys here using the 034 HO Coils?  (Or mostly 1.8T coils (I
> >>>> don't want
> >>>>
> >>>> to do the 1.8T coils)).  Do you guys know of people having any
> >>>> issues?
> >>>>
> >>>> Reason I ask is because I know somebody who is seeing a fair
> >>>> number is
> >>>>
> >>>> ignition chip failures within the AAN ECUs and he thinks they
> >>>> MIGHT be
> >>>>
> >>>> related to aftermarket ignition (coils).
> >>>>
> >>>>
> >>>>
> >>>>
> >>>> Any BTDT?
> >>>>
> >>>>
> >>>>
> >>>>
> >>>> Brandon
> >>>>
> >>>> '84 ur-quattro 20Vt - going COP
> >>>>
> >>>> '01 S4
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>
> >>>> _______________________________________________
> >>>> S-CAR-List mailing list
> >>>> http://audifans.com/mailman/listinfo/s-car-list
> >>>> http://www.audifans.com/kb/List_information
> >>>
> >