[s-cars] Funny Noise

[steve powers]

could it not be turbo-internal? I have this low pitch whistle also and have 
used 3 different BPVs: original, new, and Force.

I still make plenty of boost, I just wonder if it would come on quicker if 
it wasn't making this noise.

sp

Bob:
> I have heard this niose with both my stratmosphere and a previous stock 
> BPV.
> I think its the wastegate.
>
>
> >From: Tom Green <trgreen at comcast.net>
> >To: s-car-list at audifans.com, sola4est at yahoo.com, steve at thepowers.net
> >Subject: Re: [s-cars] Funny Noise Date: Wed, 28 Apr 2004 19:04:36 -0400
> >
> >Forrest hears noises:
> >
> >When I first drive my car in the morning I hear an intermittent howling
> >noise for a couple seconds, then it fades away. It sounds just like when
> >you blow in to a beer bottle. Seems when the car gets warmed up the 
> >problem
> >doesn't exist.
> >Greg J in Michigan
> >
> >I too have randomly experienced this sound in my cold car on cold days, 
> >it
> >sounds like a distant fog horn from a freight ship, and yes it's very
> >intermittent, does not happen everyday, and only before car has fully
> >warmed up.
> >
> >this question was on audiworld, thought it would be more practical here
> >thanks
> >Forrest
> >
> >You probably have more answers to this than you need.   There probably
> >aren't many listers that haven't had the "goose honk" symptoms of a bad
> >diaphragm in the OEM bypass valve.   The archives are full of fixes--- 
> >710N, Forge, Dahlback, Mitsu EVO, etc, etc., or just a new OEM valve.
> >
> >Tom '95 S6
> >
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