Oil Consumption, T44TQ

[Larry C Leung]

Valve stem seals would cause tremendous oil consumption, but there would
be no leaks on the
outside of the engine. I'm now suspecting my Intercooler.

LL - NY


On Sun, 29 Sep 2002 00:27:06 -0500 "Chander Balakrishnan"
<balakrishnan3 at attbi.com> writes:
> Valve stem seals, perhaps ?  I had the same problem, high oil usage,
> and
> replacing the stem seals took care of it.  I did this about 10k
> miles ago
> when the car had 173 k miles.
>
> Chander
>
>
>
> -----Original Message-----
> From: quattro-admin at audifans.com
> [mailto:quattro-admin at audifans.com]On
> Behalf Of Larry C Leung
> Sent: Saturday, September 28, 2002 11:39 PM
> To: quattro at audifans.com
> Subject: Re: Oil Consumption, T44TQ
>
>
> Hello List,
>
> Well, at least some things in life are going right.
>
> I believe I have ID'd some of my car's difficulties. Some of the
> stumbling is
> likely to do with a (now that I have the stock ECU mounted, JUST to
> be
> sure)
> bad O2 sensor, at least that's the code that's been thrown. It
> doesn't
> pop up
> without pulling codes (i.e. no check engine light upon start-up or
> running, it
> just shows when I pull codes), which surprises me,  I would have
> thought
> that O2 sensors would throw an automatic Check Engine light.
>
> The other thing was, when I changed the ECU back to the stock one, I
> also
> removed the wastegate Charlie Spring, which would of course cause
> an
> overboost condition. It turns out I accidentally knocked off a
> single
> wire
> connector (single wire) that is in the vicinity of the firewall and
> wastegate.
> Now it just stumbles mildly, at part throttle, the problem is you
> have to
> go
> through the stumble/balk that feels like throttle resistance (it's
> not)
> on the
> way to full throttle. Once at full throttle, boost builds normally
> and
> power
> seems normal.
>
> Anyway, thanks to Robert, Joshua, Ron, Huw and Gary for all of your
> suggestions
> for the power loss, I can't confirm I've licked it yet, but
> hopefully,
> it'll just be the O2.
>
> Now, the oil consumption issue. In going through the rest of the
> engine
> (cleaned
> the air filter, the crankcase breather, checked the
> plugs/wires/rotor
> visually) I noticed
> that the turbo coolant cross-over pipe is covered with an oily film,
> as
> is the port side
> of the head, at least near the front of the engine. It is most
> DEFINITELY
> below the
> valve cover gasket, and there is no oil in the tray over the intake
> manifold. No other
> visible oil leaks and yup, the oil covered parts were clean in
> August.
> Any ideas where
> the oil could be coming from? (the oil cooler lines are also
> clean).
>
> TIA!
>
> LL - NY
>
>
>