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clunk in rear end traced to differential/rear axle and is getting worse 200 1986

posted by  Herb Goltz on  Thu Sep 1 16:24 CST 2005
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last visit: Fri Oct 24 13:23 CST 2014
[RELATED]

Hello Tom:

Those symptoms sound just like when my torque rod bushings were shot-- I didn't suspect them either, because they were 3 month old FEBI/Bilstein bushings from FCPgroton.com that I had paid a shop to install...

It turns out that the bushings had been oriented off by 90 deg, resulting in a premature failure. The rubber ripped, but went back into a normal looking resting position, making it hard to diagnose them without applying plenty of force...

The knock you hear may be rotation of the differential case when it is no longer properly constrained by the torque rods.

I solved my problem with poly torque rod bushings. They can't be oriented incorrectly and they don't require a press for installation (apparently pressing can stretch the circular parts of the rods, resulting in bushings that never fit again).

Good luck!
--
Herb Goltz, Aurora, Ontario, Canada '92 245 w/124K mi






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