[V8] 2 things

[32vquattro]

I ran into this with my 95 a6 5-spd. Long story short, It was the serp belt. 
I went with the fancy good/year gatorback (with directional tread) Car 
sounded like it had a turbo. Took me months to find the source or the noise.
----- Original Message ----- 
From: "Scott Simmons" <indischrot at gmail.com>
To: <v8 at audifans.com>
Sent: Tuesday, February 27, 2007 8:18 PM
Subject: [V8] 2 things


> Two odd things have occurred, curious as to their nature:
>
> 1) On occasion, after turning the ignition off, the oil pressure needle
> will hesitate, before moving over to the 5 and pegging there.  Turning
> on the ignition will bring it back to zero, where it shall stay after
> turning off again.  It does this randomly.  Next time the car's in the
> air I'll clean the pressure sensor terminals to ensure a good
> connection.  Gauge works perfectly during operation, I just think it
> might get confused when I turn off the car?  I don't want a pegged
> needle to draw current and drain the battery -- I know it's a resistance
> system, but what side-effects are there?
>
> 2) On occasion, when the radio's off, I can hear a turbo spooling under
> my hood.  A whistle sounds is faintly heard as the engine passes 2500.
> It sounds like it's coming from the center or passenger dash or,
> possibly, the engine compartment.  It follow rpm and not vehicle speed.
> Vacuum leak somewhere?  It's a very, very faint whistle and I only
> noticed it recently as I turned off the radio one night and haven't put
> it to any scientific testing (trying to get it to repeat on cold engine,
> hot engine, engine loads, etc).
>
> Not very big problems, just didn't know if anyone else has run into this
> before.
>
> ~Scott Simmons
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