Take it to a garage that has wheel balancing equipment and have it rebalanced.
You will feel a vibration in the steering wheel
Unbalanced front wheel.
I have seen this with bad or unbalanced tires.
Probably wheel bearings or wheels are unbalanced
How do you fix a rear wheel bearing for a Lexus ls400
You may have a ball joint going out or your wheels are unbalanced
how do you fix play in a 1997 mercury mountainer steering wheel
Unbalanced wheels or a bent track rod
unbalanced tires and or wheels
Because their is more friction when you turn and the weight in your car is unbalanced You may have a brake dragging on one wheel, have it checked.
Before-a bad alignment cannot "unbalance" a wheel, but an unbalanced wheel, if bad enough, can throw off an alignment.
a steering wheel srevice means that if you have power sterring in your car they fix it. they also fix ur aliignment