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Date: 4 Jan 2007 11:35:12 -0800
From: "leigh" <duff.mcninjanospaml.com>
Subject: Re: '99 9-5 auto roaring noise on acceleration


thanks for the suggestions, i'll definitely take a look. On Jan 4, 12:35 pm, "Richard" <rootnospamlhost> wrote: > "leigh" <duff.mcni...nospaml.com> schreef in berichtnews:1167879180.997723.103600nospam00cwy.googlegroups.com... > > > actually, deeper, like a gutteral mooing or a zombie's groan (sigh). > > these are the best ways to describe it. > > > forgot to add that i had the wheel bearings checked to no avail. > > > Eeyore wrote: > >> leigh wrote: > > >> > Hi everyone, my automatic 1999 9-5 2.3 lpt makes a roaring sound b/w 30 > >> > and 40 mph. it didn't make that sound before. the noise doesn't seem > >> > to be coming from any side of the car in particular, and the muffler > >> > was replaced a few months ago. it really sounds more like a "wooooo"Did this sounds start around the same time the muffler was changed? > Then that would be the first thing to consider, and check. > Maybe the muffler touches a body part somewhere and resonates at a certain > speed? > > I remember one of my old cars... they replaced the exhaust pipe, and all was > well, UNTIL you started driving and accelerating. > Then the movement of the engine made the pipe just touch the chassis, and > the sound was what you describe. > Its not locatable, because the whole chassis is vibrating making the sound > come from "everywhere" > > Good luck! > > Richard.

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