Date: Tue, 27 Feb 2001 16:37:50 GMT From: Jim Collins <rubidium7nopsam.com> Subject: Re: Name that rattle...
How about catalytic convertor core being loose ? ? In article <news-62972E.11553626022001nopsam.cyberjet.com>, newsnopsamrjet.com.INVALID says... > In article <3A6658EB.5B753453nopsameja.com>, kimo_saabynopsameja.com > wrote: > > > My exhaust shield makes a buzzing/rattling sound, but only when it hasn't > > been warmed up yet. > > It's exactly as you describe, but it goes away after the first few > > minutes of > > driving. > > > > I think it's definitely more of a "buzz" than a "rattle" too. > > "zzzzzzzzzzzzizzzzzzzzzzzzzzzzzzzz". > > > > > > > > BL > > > > I get the same thing on my 1999 9-3 convertable....it seems to be coming > from the front right section somewhere. I took it into the dealer and of > course they coudl not find it. I also noticed that when I droive it away > (from the dealer) there was no noise ...porbaly cause uit was insdie or > on the hoist? Anyway the noise is back > > > > > > > > > > > > > > > > > > Dave Hinz wrote: > > > > > Greetings. I'm trying to identify a rattling noise that I'm hearing. > > > > > > Car Details: > > > > > > 1988 Saab 900 Turbo (2.0 litre 16V) > > > about 200,000 miles > > > No major work done, head has never even been off. > > > > > > The rattling is only present at idle, and is not always there > > > even then. A slight tap on the throttle makes the rattle go away, > > > to return (sometimes) again at idle. > > > > > > It's not road-speed dependant; I can be idling, out of gear while > > > rolling and it does it then, but also does it when just sitting out > > > of gear or with the clutch pushed in. > > > > > > I've not been able to localize the sound real well under the hood, but > > > it seems to be coming from the "front" of the engine (the end right > > > by the firewall, of course). > > > > > > I'm suspecting maybe a timing chain tensioner? Although, the water > > > pump, > > > alternator, and a few other things are right in the neighborhood. It's > > > definately a metallic-sounding rattle, though, which makes me think > > > chain. > > > > > > Any ideas? Troubleshooting hints? Words of condolences? > > > > > > Thanks, > > > Dave Hinz > > > Helenville, Wisconsin > > > > > > > > > > > > -- Jim Collins Issaquah, WA
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