If the steering wheel is loose while driving the steering rack may be going bad. A bad steering rack leads to a lot of play on the actual wheel.
Tire out of balance, bent wheel, loose wheel bearing, defective tire, loose wheel lug nuts, & worn steering or suspension parts.
Tire out of balance, bent wheel, defective tire, or loose lug nuts. Have the tires/wheels inspected, rotated, and balanced.
Loose nut behind the wheel. Loose nut behind the wheel.
Loose alignment is the most likely culprit. It could also be the servo if your car has got one.
poor wheel alignment, uneven tire pressure, something loose in the suspension or the steering linkage.
Power steering fluid helps your steering wheel turn easily. If you have dirty power steering fluid, it may be hard to turn your steering wheel while driving.
The steering wheel wobbles, because of the unconditional pressures from the ground that is adjusted at speeds when it reflects gravity.
Wheels are out of balance
You may have a ball joint going out or your wheels are unbalanced
Grip the steering wheel firmly.
Check your power steering fluid or your fan belt could be making noise.
Unbalanced wheels or a bent track rod