What are the reasons for the steering wheel not returning to center?

[Curtis]

Reasons for the steering wheel not returning to center include: 1. Damage to the steering gear or excessively tight steering gear bolts; 2. Low tire pressure, incorrect front wheel alignment, or improper camber angle; 3. Poor lubrication between the kingpin and bushings; 4. Lack of or leakage of steering fluid in the steering system; 5. Damage to the suspension bushings, causing severe inner tire wear. Additional information about steering wheel return is as follows: Self-centering performance is a fundamental characteristic of a vehicle and an important evaluation criterion for its handling performance. All motor vehicles, regardless of the type of steering system or whether they have power steering, should have the ability to return to center.