The deviation of the car means that the car automatically drives to deviate from the straight line without external force, and cannot maintain the position of the vehicle. This is usually caused by inconsistent tire pressure or unequal tire diameters on both sides of the front wheels.
When this happens, first check the tires. If one side of the tire is damaged in the middle of the crown or both sides are damaged, or if there is wear on the inner and outer sides or a zigzag wear from the outside to the inside, it can be used Judging whether the tire pressure is too high or too low, there may also be too large or too small front wheel outside angle, and too large or too small toe-in, and necessary adjustments and maintenance are required. And if it is found that the tire pressure is the same and the tire diameter is the same, but the body is still tilted, it is necessary to check whether there is any problem with the leaf spring on the lower side, whether the curvature is abnormal, and whether the elasticity is not enough. After the car has been driving for a period of time, touch the hub bearing and brake drum with your hands. If it feels hot, it means that the hub bearing is too tight or the brake system is lagging.
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