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Date: Wed, 06 Apr 2005 09:53:51 +0100
From: "Charles C." <>
Subject: Re: Saab noise

Dave Hinz wrote: > On Tue, 5 Apr 2005 17:04:02 -0400, Dennis <> wrote: > >>I have a 95 Saab 900S with a 4 cylinder non turbo engine. It has a noise >>that is making me very nervous. >>When the engine is first started cold it makes a noise very similar to an >>idler or tensioner with a bad bearing. Almost like a bad water pump bushing. >>I have removed the serpentine belt that drives all the other units and the >>noise remains. It sounds as though it may be coming from under the valve >>cover. Any ideas before I tear the engine out for examination? > > > Timing chain maybe? Kind of a rattly, metallic noise, that changes > directly with engine RPM? Or, is it a squealing or chattering noise, > or how would you characterize it? > > How many miles? Any remarkable service history? > > Dave Hinz Add to the above (hence posting in addition to Dave's msg): Manual or auto gearbox? What happens once the engine is warmed up? Could this be the tensioner for the serpentine belt? did you run the engine with the serpentine belt removed and you say the noise remains? Charles -- Please remove _removeme_ to reply. Work: Hobby:

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