wheel vibration observations - Saab NG900 & OG9-3 Bulletin Board - Saabnet.com
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My wife's '99 9-3 suffered from vibration at highway speeds. And then one day, a wo-wo-wo from the front right wheel, followed soon after by a really bad grinding noise. So I ended up taking the suspension apart. Here's what I found; Broken spring on the right side; spring spacers were completely corroded away; the sway bar linkage was broken; the intermediate shaft had noticable wear on the inside of the tripod bearing surface; and perhaps the smoking gun for the root cause... the front engine mount was worn out. So I wonder if the engine mount failure changed the angle of the engine, causing increased wear on the inner tripod surface and then made the sway bar linkage to fail? Anyway, all replaced including bearings and tie-rod ends. Drives like new now.
posted by 68.144.1...
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