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Date: Mon, 04 Aug 2003 18:51:56 -0400
From: P K <pakobnopsamo.com>
Subject: Re: Access to the differential


In article <bglim6$pje9b$1nopsam34476.news.uni-berlin.de>, davehinznopsamcop.net wrote: > Someone who looks an awful lot like P K <pakobnopsamo.com> wrote: > > In article <bgkdf8$p4ucb$3nopsam34476.news.uni-berlin.de>, > > davehinznopsamcop.net wrote: > > >> I don't know, but I'm curious what about the differential needs help? > >> Is this a pinion bearing noise problem, or something else? > > > I've been told by a transmission chain serviceman that it is probably a > > bearing/gear wear/damage problem. He said he'd have to remove the motor > > just to have a look (at $800) before he could be certain. > > The reason I asked, is that there is a known common-ish defect in > that range of transmissions where the pinion bearing wears, and makes > a hars, road speed-dependant noise, changing as go from accelleration to > engine braking. Bingo - that's exactly the problem I have right now. And even though it's going on 17 years, I only have 85k on the odo so I was surprise with this diagnosis. > Do you have a Saab dealer or > specialist/independant anywhere nearby? Where in the world are you, > maybe someone here can suggest a shop. I do have a trusted independent mechanic, but I haven't taken it to him yet He's a bit of a drive away and I usually only visit for "serious" problems (like this, now) and periodic check-ups. > > Not saying the chain guy might not get it right, but I'd ask how many > dozens of them he's done. If he wants to get at the differential, > that sounds like the problem area is right in the ring/pinion, and > the pinion bearing would be the prime suspect. Sometimes a Saab > specialist will save you money, this might be one of those times. Can I wait until the symptoms change (to what?) or should I get it looked at right now? I think there's still may more years in it, but I am afraid if the engine is pulled that may open up more problems.

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