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I'm not sure how to ask this, but what does the rear trailing arm bushing do and is
it really worth it to replace them? Is it just a one axis pivot (like the similar bushing on the front arm) or does it move sideways at all? Do they wear out enough to be a problem?
I'm replacing the bushings in my car with the kit from Mazdatrix. The front is done and by the end of today, I'll have the dtss eliminators installed. I just really don't want to mess with the rear end any more if it's not really necessary.
I'm thinking it may be better to wait until I decide to replace the subframe mounts, rear camber links, or something else in the rear.