Propshaft vibration : how to cure ? - Saab 9-3SS Bulletin Board - Saabnet.com
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Propshaft vibration : how to cure ?
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Posted by magalar [Email] (#1325) [Profile/Gallery] (more from magalar) on Mon, 18 May 2015 19:04:26 Share Post by Email
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Well, I thought I did everything correctly according to WIS, but I still feel a light driveshaft vibration.


What I did :

mark the relative position of the 2 bracket to the floorpan with fluo aerosol paint.

Build a "splint" out of 2x3 wood studs to transport and carry the 3 pieces driveshaft.

Repack the rear CV joint with fresh CV grease.

Torque to spec the 6 allen bolts with the gearbox in 1st, but I didn't mark the propshaft to Haldex flange position, so it can be anywhere.

The propshaft doesn't have any vertical play, the front CV joint is dry and tight, the 2 u-joints are not sticky nor worn excessively.

So, why do I feel that vibration after a WOT event ? What is the angle upward for the center section ? Is there any lateral adjustement I can do to minimize the vibration ?

Thanks in advance,

magalar

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