compression test #'s help

Jim Green jeg1976 at
Wed Aug 28 15:31:57 EDT 2002

--- Ron Wainwright <ron_01056 at> wrote:
>   Jim and listers
>   Little more info for those of you following
> allong,
>  Under a heavy foot just starting off in 1st there
> is
> a cloud of smoke out the rear pipe but not under
> normal driving,
>  looks to be white/grey smoke
>  there's all so a lot of oil in the lower
> intercooler
> to turbo hose,
>  and in the turbo hose going to the fuel
> distributor,
>  all so oil in the Michelin man hose as well
>  I did the compression test as per Bentley
> instructions did then twice to make sure they were
> done rite.
>  I just changed the oil in the car on Sunday and on
> Tues I had to add a full quart, the oil wasn't
> showing
> on the dip stick and the car only went 100 miles in
> that time.
>   Another thing I mentioned the oil loss to my local
> Audi Tech whom I have a VERY close relationship with
> I've known him for like 10 years so I know he wont
> tell me some bullshit story to try and sell me a
> turbo
> or anything but he has said that it's the turbo and
> he
> wont change his mind,
>  my question is whats the likely hood that it's the
> turbo over the valve seals? on a scale from 1-10.

Well, that is one hell of a lot of oil to be going
past any seals.  If it were me, I'd do the valve seals
because it's easy, and they probably need one
regardless, then look at the turbo.  Even if the turbo
is the main culprit, I bet your still loosing some oil
through the valve seals.  The oil in the intake is
totally normal.

Jim Green
'89 90tq 034EFI, Haltech IG5

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