Date: Mon, 29 Apr 2002 09:31:22 -0400
From: D. Cyr <>
Subject: Re: Foghorn-like sound when accelerating

It's most likely your bypass valve for the turbo. They don't call it a "hooter valve" for nothing. Some people say to try to reverse it's orientation, some say to replace it. I'd try reversing it first. Dave On Sun, 28 Apr 2002 12:40:25 -0400, "MayfestsSaab" <> wrote: >Hi, > >I have a 99 95 SE V4....just bought it used. Love it. > >I notice on occasion that when I accelerate, the car emits a foghorn-like >sound for about 2 seconds. It doesn't seem to have any effect on the >acceleration or performance, but it is a curious sound. > >I noticed it comes on more often when I put the transmission in "Sport" >mode. > >Does anyone know what this sound is, and if so, if this is normal Saab >behavior? > >Thanks! > >-Tom >

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