Turbo noise

[David Sexton]

Mobil Synthetic 10W-30 and oem filter.

On Fri, Dec 30, 2011 at 9:50 PM, John Lagnese <jlagnese at massed.net> wrote:

> What oil are you running?
>
> -----Original Message-----
> From: 200q20v-bounces at audifans.com [mailto:200q20v-bounces at audifans.com]
> On
> Behalf Of David Sexton
> Sent: Friday, December 30, 2011 4:11 PM
> To: 200q20v at audifans.com
> Subject: Turbo noise
>
> Hey guys;
> When my '91 200 is cold, and for the first five or so minutes of running,
> the turbo is making a whining kind of noise at idle, and light
> throttle/coasting . Sounds different than normal turbo whine, slightly
> lower pitched.   It goes away as soon as the engine has run for a bit.
> Obviously, it is winter and very cold, so I'm wondering if this is just
> related to being in very cold temperatures, like single digits or teens?
> But it's never done it before, so I'm a little worried.
> I have looked at the intake side of the turbo within the last six months to
> a year, and it looked great and spun just fine, FWIW.
> The car is stock except for the ecu which was chipped by Ben Swann.
> Any thoughts?  If the turbos going bad, any thoughts on what/where for a
> replacement?
> Thanks!
>
> Dave Sexton
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