Site News - 1/3 Member of the Year: DougM
Date: Tue, 03 Feb 1998 08:25:14 GMT
From: * (Russell Gilbert)
Subject: Re: Whining noise from my 9000

In article <>, "Mekon" <> wrote: > I have a '92 Saab 9000 S (manual) and there is a noise that's driving me > mad, and over the last year it's got worse. It's a whining noise that gets > higher pitched as the car gets faster. Doesn't matter which gear I'm in > either. Putting the clutch in, or braking has no effect. It's not > localised but it's coming from the front somewhere. The best way I can > describe the sound is it's like someone blowing through a drinking-straw. > But it's a mechanical whine, not wind noise. The faster the car goes, the > higher pitched the whine becomes. > The car's done nearly 100K miles. > My thoughts are 1) a wheel bearing, but don't these rumble rather than whine > ? > 2) a worn differential. 3) Speedo cable ? > Has anybody come across this before with a 9000 ? I'd be really, really > grateful for any suggestions :-) > > David. Sounds like it could be the same thing someone else posted about. Here's their original msg, followed by the msg I posted: In article <6aklfa$g1i$>, "bala" <> wrote: > Hi > > got an irrating problem, just brought an 900 coupe (12/97) when I have the > air-con on, an high pitched noise comes on (not all the time) regardless of > what speed I am doing or gear I am in. It is ever so slight (the noise that > is). > i just had a problem fixed which was an DX? valve needing replacing in the > air-con as a vibrating noise would go through the car in any speed or > stationary, out of gear or in. and I still got this high pitched. > > as first i thought it was the radio but detached the front radio panel, > still the noise but when i switch off the air-con it dies away - this noise > was with the car since i brought > > it will go for its 5000km service soon > > any ideas greatly appreciated > > sean (australia) > I have the same thing on my '91 9000. It started a year or so after I bought it, and it sounds and acts just as you described. I believe it's a fan bearing probably going bad. I've also noticed that one of the back doors has a similar (but not quite as high pitched) noise, and it turns out that the back doors have little fans in them to circulate air -- probably the same problem. I haven't done any investigation into what it would take to fix it, but usually those things require a lot of work to remove all the panels to get to it. Just my guesses anyway... Russell

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