[s-cars] S8 pulling when stopped in Drive

[Mark Pollan]

Tozo on the D2 forums is the "go to" guy with our trannys.  TONS of
discussion/threads on hunting and thumping trannys.  Most of the problems
have been with pre-facelift D2s and I think folks on the forum would be most
interested in your issue as I have yet to hear of any issues with S8
trannys.

I was worried what I might find on AW but am very pleasantly surprised with
the D2 forum.  Give it a whirl Gisli.

Mark

-----Original Message-----
From: s-car-list-bounces at audifans.com
[mailto:s-car-list-bounces at audifans.com] On Behalf Of Gísli Óttarsson
Sent: Friday, June 22, 2007 10:20 AM
To: David Kase
Cc: S-CAR-List
Subject: Re: [s-cars] S8 pulling when stopped in Drive

Thanks for the offer, David.  I may take you up on this later.

It had not occurred to me that the torque converter might be going bad and
it would be interesting to understand the mechanics of this particular
failure.  I may follow up on the suggestion of posting on the Audiworld
forum to see what I may learn.

Another thing which I have noticed, but did not think of mentioning, is that
occasionally when I pull up to a stop light there is a noticable thump,
which I have associated with the torque-converter lock-up disengaging.  This
would add support to the idea that the torque-converter may be generally
faulty.

I will definitely approach the mechanic who performed the rebuild to see
what he may know.

  Gísli


On 6/22/07, David Kase <davekase at pdqlocks.com> wrote:
>
>  I know the local Audi garage had (3) S4 bi-turbo's in for torque
> converters when I stopped the other day. I'm not sure what the problem was
> though.  I can call and ask if it would help.
>
> Dave K.
>
>
>
> chris chambers wrote:
>
> Gisli,
>
> sounds like you have a bad torque converter, this is the device that
> acts as the "clutch" in an automatic transmission.
>
> You might find this interesting:
> http://en.wikipedia.org/wiki/Torque_converter
>
>
> HTH
> Chris
>
> --- Gísli Óttarsson <gislio at gmail.com> <gislio at gmail.com> wrote:
>
>    I'm having an annoying problem with my 2001 S8.  When holding at a
> red light
> it pulls pretty hard --- so hard that if I were to let go of the
> brake I
> would quickly cover the few feet to the car in front of me.  Not only
> is it
> obvious that the car is straining against the brakes but it makes it
> nearly
> impossible to get a very smooth start.  I initially passed this off
> as a
> stallion pulling against the reigns but it quickly got old.  This
> definitely
> does not seem right.
>
> The car seems to have the right idle speed, approx. 800 RPM and the
> problem
> is present regardless of whether the engine is running cold or at
> proper
> operating temperature.
>
> The transmission was rebuilt before I bought the car a few months ago
> and I
> have been wondering if something may need to be adjusted.  It has
> also
> occurred to me that some connection is missing, e.g., something
> telling the
> transmission to chill when the brake-pedal is depressed.
>
> Any ideas?
>
>   Gísli
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