What Causes the Steering Wheel to Not Return to Center Properly?
2 Answers
Steering wheel not returning to center properly can be caused by inaccurate camber or toe angles. Below are specific details about the steering wheel: Reasons for improper return: Damaged outer steering gear or over-tightened free play adjustment bolt of the steering gear; inaccurate camber or toe angles; damaged suspension bushings, causing severe inner tire wear. Function: Converts the force applied by the driver on the steering wheel rim into torque, which is then transmitted to the steering shaft. Precautions for using the steering wheel: Avoid excessive force when turning the steering wheel, and refrain from sudden jerky movements. Do not turn the steering wheel when the vehicle is stationary; on bumpy roads, hold the steering wheel firmly with both hands to prevent loss of control and potential accidents; reduce speed when turning; gradually turn the steering wheel according to the curve's radius when entering a bend.
Last time I went to the car wash, I asked the technician about the steering wheel not returning to center properly. He said the main reason is incorrect wheel alignment. When the caster angle of the front wheels is too small or negative, it loses the self-centering force. Insufficient tire pressure or uneven pressure on both sides can also cause weak return. Additionally, issues with the steering system like loose tie rod ends or worn steering rack gears make the steering wheel feel loose. Deformed chassis suspension components can also affect it - if the car frequently drives on rough roads or has hit curbs, a deformed control arm becomes problematic. Finally, power steering system issues shouldn't be overlooked - inaccurate signals from electric power steering motors or low hydraulic fluid can cause this too.
