Date: Wed, 29 Nov 2006 18:32:36 GMT From: Paul Halliday <pjghnospamyonder.co.uk> Subject: Re: Terrible Screaming Noise
in article 1164758832.841400.289930nospam2000cwd.googlegroups.com, danielakers007nospamail.com at danielakers007nospamail.com wrote on 29/11/2006 00:07: > > yaofeng wrote: >> I used to have a 89 900S doing the same thing. It happened only in >> cold mornings. A good wake up call for the neighbors. > > So just drive it some and see how it goes perhaps? If it stops after, say, 100 yards or less, it's most likely just some damp that's got under the alternator belt. On our C900s (1987 and 1989), the alternator belt can be tightened by simply tightening the nut on the swing arm. Locate the brake booster on the LHS of the engine bay, by the firewall. Look at the belt just next to it, but further towards the middle of the car. That's the one ... See the long thread and the nut? Just tighten that one a little. Better still, slacken it off, buy a new alternator belt and tighten it up, so that there is only 0.5cm "give" in the belt when pressed. HTH, good luck guys ... Come back if that's not the issue. Paul 1989 900 Turbo S http://saab.go.dyndns.org/
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