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1999 9-3 differential bushing?
Posted by mechman [Email] (more from mechman) on Wed, 16 Jan 2008 08:50:44
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OK, so my 1999 9-3 shakes and makes a metallic 'thump thump thump' when I accelerate over 1/3 throttle, the more I accelerate, the louder the noise. I know there is some minor wear in the passenger 'companion flange' (inner driver) but what looks more problematic to me is the radial play in the driver side axle stub. I found a TSB on genuinesaab adressing leakage of the axle seals, which says anything over 0.8mm should have the differential (or bushing) replaced. I'm not getting any axle seal leak, but I have about 2.0mm of play in the inner driver, which leads me to believe the bushing inside the differential is worn. Anyone here ever had to replace that bushing due to the symptoms I described, and not an axle leak? I'm thinking it might just be easiest to get a used transmission w/ inner drivers and swap it out if this is the problem. I've had inner driver wear on c900's before, but this seems much more pronounced.
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