It may be the tires, and not the suspension at all. If the tires are oversized, it may be sidewall flex.
check your idler arm for play, these blazers are known for that, check your pit man arm coming down from your steering box, front sway bar bolt & bushings and rear bushings
no camino has a straight rear vette has independent rear
The trailing arms are what holds the rear end/axel on. The bushings are what allow movement of the arms.
Since The Villager is of unibody construction, there are only a couple things that can be considered "subframe bushings". Sway bar bushings (front and rear), rear leaf spring bushings, and the most likely, control arm bushings.
pain
The stabilizer bar rotates on the stabilizer bushings (usually 2 bushings required) be it front or rear of vehicle.
change the bushings in the upper and lower tracking arms. this is the only thing I have found to fix this problem. do not use the rubber ones get the kit for a pathfinder (same year made out of polyurethane. they last five times as long for about the same money if you buy the complete kit with bolts and all the bushings
Whenever they have failed.
For any type of bushings you will need a special tool to take them off the bushings are pressed in
Yes
bad rear swing arm bushings on some you can tighten
You may replace the bushings by pressing them out or replace the knuckle assembly. Pressing out the old bushings and replacing them is the least expensive option. After market replacement