Date: Wed, 10 Jan 2007 21:08:52 -0500 From: Bill Jackson Subject: Re: '99 9-5 auto roaring noise on acceleration
On 2007-01-03 21:53:02 -0500, "leigh" <duff.mcninjanospaml.com> said: > 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" >>> than a whine or a grind, and it's pretty loud - my passengers tend to >>> (annoyingly) point it out. any ideas on what this sound could be? i >>> can live with it but i don't want it to turn into something much worse >>> if left unattended. thanks in advance for any help you guys can offer. >> >> A light whistly noise ? Almost musical ? >> >> Might be the turbo. >> >> Graham I had something similar on my 99 9-5, couldn't quite describe it but it was (1) about that speed and (2) only under acceleration. Almost sounded like tire noise on a really aggressive tread. About 6 months later I started to hear the tell-tale signs of a wheel bearing going, got that replaced and the grinding/sound went away. Bet that's it, mine was the left front
