Why can not the steering wheel automatically return?

(1) causes and analysis
Baotou North Ben heavy truck accessories steering knuckle and the main pin gap is too large. Due to poor lubrication, when the main pin and the bushing gap is too large, the destruction of the main pin of the tilt angle and the angle of the role of automatic reverberation, and reduce the front wheel camber angle, so that the front wheel and the main pin axis vertical or front The angle of inclination, thus increasing the steering resistance and turning the wheel back automatically.

(2) diagnosis and treatment
Diagnosis: the vehicle in a straight line position, visual inspection or testing whether the two front wheel camber exists. If there is no camber angle can be raised from the front axle, so that the side of the wheel from the ground, the wheels will be off the ground, if the tire at the top of the apparent shift, the bottom of the move, that is, with the main pin and the gap is too large Pin with the main pin hole with loose.
Remedy: Replace the bushing and hinge it according to the craftsmanship.

(3) other reasons

1) The front axle is bent and distorted to change the angle of the main pin hole.

2) Baotou North Ben heavy truck accessories before the steel plate spring elasticity, so that the main pin after the tilt angle changes.

3) steering knuckle due to overload deformation, so that the front wheel camber angle changes.

4) Front wheel bearings are too tight.

5) Baotou North Ben heavy truck accessories front plate spring U-shaped bolts loose. The

3) steering knuckle due to overload deformation, so that the front wheel camber angle changes.

4) Front wheel bearings are too tight.

5) Baotou North Ben heavy truck accessories front plate spring U-shaped bolts loose.