My 84 Aero had always been a smooth ride, the last couple years I've noticed a vibration in the rear, traced it down by process of elimination to the left rear axle...
I have not run over anything or ditched the car...or hit a curb.
The car is a summer driver and I originally thought I had "square tires". Jacked it up and put in gear, and the left rear wheel was moving... Rotated all the tires... the left rear wheel is moving... got new wheels and tires... the left rear is moving
It's bad enough that I don't get the enjoyment I used to by driving the car long distances.
I would be really suspect of this just happening out of the blue, But my first car had the same problem, and changed out the axle shaft and cured it. (maybe since I've moved on to better vehicles for my everyday drivers, I am just now noticing??)
Help

 

anyone...???

 

axels dont just bend as far as i know ... or at least ive never heard of it happening ... i have hit a wall hard and not bent the axel but tore up a tire and wheel ... another time i slid into a curb not too hard at all felt like i barly touched it and bent the axel ... so ... just one of those things maybe ... tao

 

Has anyone else been driving the car?

 

Nope, just me...
I talked to one of our mechs the other day and he said possibly, torque to the rear wheels "can" cause this over time.

 

No.

It's been curbed. Whether the thought of admitting the possibility is pleasant or not, that's the most likely cause.

"The simplest explanation that fits all the facts is usually the right one".
— Occam, ancient Greek philsopher, from back when the spokes would break if you curbed it