Originally Posted by optiontrader

I replaced my rear diff bushing since, as expected, the fluid-filled OEM bushing started leaking. My Z is stock (total DD), so I didn't have any noticeable increase is noise or vibration. The rear feels slightly more "planted" during take off and gear shifts, but it's very subtle.

If you have a transmission jack, it makes the replacement much easier. A multi-oscillating tool and sawzall is all that's needed to replace the original bushing. I went with Z1 in front, and Nolathane for the rear - and changed out the diff fluid in the process.

Have you replaced them out yet?