[s-cars] ebay master cylinder follow up q..

[tony.curran at sympatico.ca]

Brian,

I have just resolved a vibration in brake pedal issue as well as the dreaded 30 second brake light. The culprit was the brake servo. I picked one up for $100 at...

http://www.importspecialistsofamerica.com/index.html

Tony

> 
> From: brian hoeft <qweblog at gmail.com>
> Date: 2005/11/28 Mon PM 11:00:25 EST
> To: Tony Curran <tony.curran at sympatico.ca>
> CC: "S-Car-List at Audifans.Com" <s-car-list at audifans.com>
> Subject: Re: [s-cars] ebay master cylinder follow up q..
> 
> thanks a lot, i was hoping to hear something like that.
> 
> looks like i'll be using the servo off my '93 since thats most likely the
> culprit of my pulsey pedal,,even if it did pass the leak test.  and theres a
> distinct diesel like tic closer to the firewall than the abs hydraulic
> unit.. i think..
> 
> now to find a good deal on motul 600... best ive seen is hoerr racing, in
> bulk for about $10 per 500ml, ur-q needs it as well,, so it goes
> 
> but man why do the bolt heads of the servo need to be on the dash side of
> the firewall... gosh that complicates things. i just put that all back
> together
> 
> oh for the love of quattro
> 
> -brian
> 
> On 11/28/05, Tony Curran <tony.curran at sympatico.ca> wrote:
> >
> > Brian,
> >
> > As I recall the Ebay listing, it said it was for the S4 and S6 which I
> > believed used different parts. It's actually a little more complicated
> > than
> > that. From ETKA for 92-94 S4 and 95 S6 the part no. for MBC is 4A0 611 021
> > B. For a 96 and 97 S6 the part no. 4A0 611 021 C.
> >
> > So, it looks as if that only the Canadian spec S6 has the different MBC
> > which I assume because the S6 in USA went only to 95.5.
> >
> > As for the difference between the two, ???????
> >
> > Tony
> > Canadian spec 96 S6
> >
> > -----Original Message-----
> > From: s-car-list-bounces at audifans.com
> > [mailto:s-car-list-bounces at audifans.com]On Behalf Of brian hoeft
> > Sent: November 28, 2005 3:31 PM
> > To: S-Car-List at Audifans.Com
> > Subject: [s-cars] ebay master cylinder follow up q..
> >
> >
> > hey list good to have you back
> >
> > so i got my master cyl from the ebay seller and he assures me its intended
> > for the s6, great, thats what i have.
> >
> > however there was some heads up posting about it not being correct. i
> > really
> > appreciate the concern of others, but now im concerned that ive got an
> > incorrect part.
> >
> > i think its proper though because it looks identical as far as dimensions
> > and orifices go, as can be seen here:
> > *http://pictureposter.audiworld.com/53920/masterdetail.jpg*<
> > http://picturepo
> > ster.audiworld.com/53920/masterdetail.jpg>
> >
> > ... same " 25 ZV " badging reservoir mounts and line orifices..
> >
> > and what can be seen as scratched off here:
> >
> > *http://pictureposter.audiworld.com/53920/scratchmaster.jpg*<
> > http://mail.goo
> > gle.com/53920/scratchmaster.jpg>
> >
> > looks like this on my factory unit:
> > *http://pictureposter.audiworld.com/53920/mirrormaster.jpg*<
> > http://mail.goog
> > le.com/53920/mirrormaster.jpg>
> >
> > yeah, sorry kind of difficult to see at a strange angle mirrored and all..
> >
> > the replacement MC has markings that lead me to believe it was
> > manufactured
> > by ATE in 95
> >
> > oh, and on the box, beck/arnley # is 072-9075 "made in germany" 31500
> >
> > but alas, all of the similarities also apply to the '93 i have for
> > parts...
> > just thought if i could get a good price, why replace with used and maybe
> > have to do it over soonafter... ooofaah
> >
> > so anybody have any words of assurance?
> >
> > also, almost of greater importance is that i thought the brake servo was
> > part of/inside the master cylinder.. is this correct? or is that whats in
> > between the MC & firewall??
> >
> > thanks listers, -brian
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> 
>