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Long story short I bought a WS6 that was in an accident of some kind that I wasn’t told about. I finally got the alignment mostly squared away but the rear toe is way off on both sides. I am curious how likely it would be bent rear wheels, axel shafts or the actual axle housing? I have a pretty bad vibration on the freeway that shakes the wheel and rattles the car. When I let off the gas I feel that it gets better but never fully goes away. The rack and pinion also needs to be replaced as it is leaking a good amount and the passenger inner tie rod has a good amount of movement.I will include the newest alignment sheet.
Bent rear housing would be my guess. Were the rear wheels spun between measurements? If not, it could also be bent axle(s) or rims. The vibration doesn't rule out a bent housing, but makes it less likely. You can raise the rear and spin the wheels to see if there is any wobble.
Bent rear housing would be my guess. Were the rear wheels spun between measurements? If not, it could also be bent axle(s) or rims. The vibration doesn't rule out a bent housing, but makes it less likely. You can raise the rear and spin the wheels to see if there is any wobble.
They took it out on a few drives as the alignment wouldn’t hold because of the inner toe rod. The numbers seemed to change each time as shown on the top and the bottom. I also have another printout that shows different rear toe numbers I will include. When I jacked the rear up and let the tires spin I could hear like a scrapping sound as if there is wobble.
Looks like rear total toe varies from -0.76 to -0.81 deg, in the same ball park and in the same direction. This would point towards a bent tube, but there may be a bit of a wobble in a bent axle as well. If it got hit hard enough to bend the tube, one or both of the axles are possibly bent as well.
Looks like rear total toe varies from -0.76 to -0.81 deg, in the same ball park and in the same direction. This would point towards a bent tube, but there may be a bit of a wobble in a bent axle as well. If it got hit hard enough to bend the tube, one or both of the axles are possibly bent as well.
What should I be looking for to see if the tube is bent? Use a straightedge or something? Also is this fixable or is another whole axle needed?
I would think that the alignment shop you used would be able to inspect the rear axle and tell you what's wrong and if they can fix it. If they confirm that the tube(s) or axles are bent, and if you are planning on keeping this car, you should consider a new rear axle assembly (great time to upgrade if HP increases are in your future or if you have an M6).
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Possible bent rear end 
