Date: Sun, 10 Apr 2005 14:49:32 +0100 From: Sleeker GT Phwoar <carl.robsonnospamcing-czechs.com> Subject: Re: Saab noise
In article <4253a395$0$26334$db0fefd9nospam.zen.co.uk>, c.k.christacopoulos_removeme_nospamee.ac.uk says... > Dave Hinz wrote: > > On Tue, 5 Apr 2005 17:04:02 -0400, Dennis <larch42nospamel.net> 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 > > What about hydraulic lifters pumping up? -- Carl Robson "Sorry Sir the meatballs are orf" (The poster formerly known as Skodapilot) http://www.bouncing-czechs.com
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