Four-wheel alignment, adjustable rear wheel. Rear wheel positioning includes: camber angle (angle) and toe-in of rear wheel one by one. After adjustment, gaskets with different thicknesses are added under the four bolts of the hub bearing seat, and the thickness is determined after calculation according to the data. The steering wheel, steering knuckle and front axle of an automobile have a certain relative position, which is called steering wheel positioning, also known as front wheel positioning.
Front wheel alignment and rear wheel alignment are generally called four-wheel alignment. Four-wheel alignment is adjusted according to the four-wheel parameters of the vehicle to ensure good driving performance and certain reliability of the vehicle.