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Differential bearing bad-need to replace
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Posted by weston [Email] (more from weston) on Sat, 2 Apr 2016 14:46:29 Share Post by Email
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Update to Feb 19th 2016 post regarding the wobbly inner-driver shaft drivers side:
I had been experiencing a severe banging sound upon driving on imperfections/potholes in the roadway. Replaced almost entire front suspension. New struts, strut bearings, ball joints, lower control arm rear bushings, etc.
None of this seemed to eliminate the terrible banging sound/vibration reverberating through out car. In fact, newer robust dampers seemed to make it more pronounced. Most noticible when hitting bumps on left tire, and also very noticeable when both tire simultaneously hit a crack in pavement. Found four subframe bolts, two in front-left and two in rear-left that hold the RCA bush to the body, stripped to the point that had to re-tap the hidden nuts to a larger size, and refit with larger bolts (went with SAE 7/16 in 14 tpi),
Alas, banging STILL, and worse than ever. Went back in to inspect recently replaced LH side inner driver/cup and found quite a bit of play, again.
Removal of this exposed the Differential Roller Bearing. http://www.eeuroparts.com/Parts/10624/Differential-Roller-Bearing-Inner-12788353/
This bearing had tremendous play between the rollers and the inner/outer races. I believe this play allowed the innards of differential to impact the bearing at each bump, hammering the entire driveline. It would look like this worn bearing would also cause the bearing in the short shaft bracket to also go bad. Seems to be contaminating the oil-after only 1000 or so miles, the Redline synthetic has quite a bit of grayish metallic sheen.
Can this wornout bearing be replaced in-situ?

posted by 24.161.100...

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