Date: Fri, 04 Jun 1999 01:42:36 -0700 From: Danny <dmorrownopsamnd.stanford.edu> Subject: Re: Vibration problem in 1987 900s
dean: easy answer. you need to have the cv joints on the front end checked. i had the same problem on my 88 SPG. they cost a bit (like $300-400) for parts and labor, but boy is it worth it once you can drive on the highway again. thats probably why you got a deal on it! this is a typical problem in older saabs. my mechanic explained that the joints are packed with grease, and if the seal comes loose then the grease spins out, leaving no lube. or, since the joints are near the exhaust manifold, the grease gets cooked out. either way, bad news. hope this helps. danny Dean wrote: > I jut bought a 1987 900s, very clean and got a deal on it. It has > only one problem that I can detect. I'm getting a vibration (quite > noticable) that seems to be comeing from the front end. I can feel it > in the steering wheel and through the seat. It starts out at about > 35mph and gets worse as the speed climbs. My first thought was front > end out of alignment...but...I do NOT get the vibration when I'm off > the gas such as when going down hill. The worst time seems to be when > holding freeway speeds (65mph or so) on flat ground and when adding > just a bit of throttle (again at freeway speeds). > > I am going to be taking the car in the end of the month but I'd like > to have some idea of what's going on before I let the mechanic see it. > > To recap symptoms. > > 1. Vibration from front. > 2. Worse when accelerating slowley at freeway speeds. > 3. No vibration when off the gas. > 4. No miss or other engine problems. (smooth acceleration in all > gears) > > Any ideas? > > Thanks in advance for any help! > > Dean
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