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Driveshaft balancing
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<blockquote data-quote="moots" data-source="post: 84569" data-attributes="member: 219"><p>The components that can wear on a prop shaft (aka drive shaft aka longshaft) are as follows:</p><p>1. center U joint</p><p>2. rear U joint</p><p>3. center support bearing</p><p>4. the splined joint between the fwd and rear half of the propshaft</p><p></p><p>I have replaced both the U joints and the center support bearing on my e30 and I do not have vibrations issues thank god.However it helps to have an experienced machinist to install the U joint.It needs to be perfectly centered and aligned to the propshaft axis. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big Grin :D" loading="lazy" data-shortname=":D" /> </p><p></p><p>On the e34 i have replaced the center support bearing only.U joints seems to require replacement soon as there are clunking noises when unsynchronised gear changes are effected.</p></blockquote><p></p>
[QUOTE="moots, post: 84569, member: 219"] The components that can wear on a prop shaft (aka drive shaft aka longshaft) are as follows: 1. center U joint 2. rear U joint 3. center support bearing 4. the splined joint between the fwd and rear half of the propshaft I have replaced both the U joints and the center support bearing on my e30 and I do not have vibrations issues thank god.However it helps to have an experienced machinist to install the U joint.It needs to be perfectly centered and aligned to the propshaft axis. :D On the e34 i have replaced the center support bearing only.U joints seems to require replacement soon as there are clunking noises when unsynchronised gear changes are effected. [/QUOTE]
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