<bogart.lloy@uwlax.edu> wrote in message
news:1109606008.004442.129750@z14g2000cwz.googlegr oups.com...
>
> Jerry Alcock wrote:
> > I am having problems with a persistent noise which has developed over
> > the last 8 months on my 02 1.8T A6 47K which has the multitronic
> > gearbox installed.
> >
> > The nature of the problem is that when I accelerate between the 4,000
> > and 6,000 rev range there is a persistent "flapping" sound coming
> from
> > the engine. At first I thought it was some trim that had come adrift
> > due to the noise it was making.

<snip>

> Turbo bypass valve?

I thought that at first, but Audi had (finally) got it fixed by then.

On the TT it is often (but not always) a "goose honking" noise, rather than
a flapping sound, and there's a very noticeable drop in power.

Mine failed during the running-in period, back in 2000.

--

Hairy One Kenobi

Disclaimer: the opinions expressed in this opinion do not necessarily
reflect the opinions of the highly-opinionated person expressing the opinion
in the first place. So there!

 

<bogart.lloy@uwlax.edu> wrote in message
news:1109606008.004442.129750@z14g2000cwz.googlegr oups.com...
>
> Jerry Alcock wrote:
> > I am having problems with a persistent noise which has developed over
> > the last 8 months on my 02 1.8T A6 47K which has the multitronic
> > gearbox installed.
> >
> > The nature of the problem is that when I accelerate between the 4,000
> > and 6,000 rev range there is a persistent "flapping" sound coming
> from
> > the engine. At first I thought it was some trim that had come adrift
> > due to the noise it was making.

<snip>

> Turbo bypass valve?

I thought that at first, but Audi had (finally) got it fixed by then.

On the TT it is often (but not always) a "goose honking" noise, rather than
a flapping sound, and there's a very noticeable drop in power.

Mine failed during the running-in period, back in 2000.

--

Hairy One Kenobi

Disclaimer: the opinions expressed in this opinion do not necessarily
reflect the opinions of the highly-opinionated person expressing the opinion
in the first place. So there!

 

<bogart.lloy@uwlax.edu> wrote in message
news:1109606008.004442.129750@z14g2000cwz.googlegr oups.com...
>
> Jerry Alcock wrote:
> > I am having problems with a persistent noise which has developed over
> > the last 8 months on my 02 1.8T A6 47K which has the multitronic
> > gearbox installed.
> >
> > The nature of the problem is that when I accelerate between the 4,000
> > and 6,000 rev range there is a persistent "flapping" sound coming
> from
> > the engine. At first I thought it was some trim that had come adrift
> > due to the noise it was making.

<snip>

> Turbo bypass valve?

I thought that at first, but Audi had (finally) got it fixed by then.

On the TT it is often (but not always) a "goose honking" noise, rather than
a flapping sound, and there's a very noticeable drop in power.

Mine failed during the running-in period, back in 2000.

--

Hairy One Kenobi

Disclaimer: the opinions expressed in this opinion do not necessarily
reflect the opinions of the highly-opinionated person expressing the opinion
in the first place. So there!