[s-cars] oil leak onto cat

[John Petersen]

At one point I had a transmission that had been separated (tail housing
removed) installed in my car. The new seal between the tail housing and the
remainder of the tranny wasn't so good... it leaked oil excessively onto
the cats, directly onto the center of them. The cats were (are) empty, and
so they didn't get very hot as a normal cat would. However the leak did
eventually cause the end of the transmission.. and installation of that 6
speed...

This leak was there from the beginning with that transmission (which I knew
was a "temporary transmission"), it isn't likely to be the case with a
tranny which hasn't been taken apart.


-John
(with a new 6 speed)

At 02:29 PM 12/2/2002 -0800, jimk at spotgraphicsinc.com wrote:
>Thanks, that makes it pretty clear.  I will crawl under the car and find out
>exactly where it is coming from.  It may be something I can live with for
>awhile.  Or it may be the beginning of that whispering noise
>(6speed....6speed....6speed).
>Thanks to all,
>Jim Klein
>
>Mark Turczyn wrote:
>
> > At 12:51 PM -0800 12/2/02, jimk at spotgraphicsinc.com wrote:
> > >Hello,
> > >After travelling longer distances (say, over an hour on the freeway), I
> > >am noticing that on occasion I get a burning oil aroma and a little bit
> > >of smoke after I shut the engine off.  Upon further investigation, it
> > >appears that a few drops of oil are being dropped onto the passenger
> > >side catalytic converter.  While reading the current Audi Driver
> > >magazine, it appears that the S8 has a problem wherein the rear seal in
> > >the transmission leaks a bit onto the cat once the car is completely up
> > >to temperature, which appears to be the same issue that I am having.
> > >That article states that it is not that big of a deal to fix (2-3
> > >hours).  Is it the same/similar in our cars?  Anybody BTDT?  Or could it
> > >be somtheing totally different?
> > >Thanks,
> > >Jim Klein
> > >95.5 S6Avant
> > >93 S4
> > >
> >
> > Jim-
> >
> > I had the same happen to my Avant two years ago.  Turned out to be
> > the driveshaft seal - the drive shaft that goes back to the rear
> > diff,  You needed some special tools I did not have so I took
> > advantage of my extended warranty and still had to pay since the
> > dealer booked hours that the companay would not cover.  It was not a
> > two hour job since you have to remove the piece that holds the
> > seal-press it out then press in a new seal- it is all explained very
> > well in the factory manual.
> >
> > I did not want to take it to a dealer but none of the local Audi
> > shops in the area had the tools or the inclination to do the work.
> > Sounds like they felt they really needed the tools to do the work
> > correctly.  So the bottom line is that I think it may be straight
> > forward to do but unless you have the tools it is not cost affective.
> >
> > I wish I could tell you more since I am one to  do all the work
> > myself including my timing belt and RS2 conversion so I am somewhat
> > handy with tools.  It would be a job that a lift would really be an
> > advantage.  I know I will end up doing my clutch on jack stands but
> > since I had three weeks of warranty left I used it so I cannot give
> > you a blow by blow on how easy it really is.
> >
> > Look through a repair manual and then call around for prices but the
> > dealer got $1600 for the job- sort like a clutch job but he did not
> > even drop the transmission.  I would think a local Audi guy if he has
> > the tools may do it for half.
> > --
> > Mark Turczyn
>
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