For the driver, manipulating a car to go forward is mainly to control the steering wheel. The steering wheel can not only control the direction of the vehicle, but it can also identify faults. The first step in safe driving is to learn to use the steering wheel. The following shows how the old driver gave you a way to share how to identify four vehicle signs from the steering wheel.
A. Shaking hands and tingling in vehicles
When the vehicle is traveling at speeds above mid-speed, the chassis has periodic sounds, the cab and doors tremble, and the steering wheel vibrates strongly until the hands become numb. This is due to the fact that the dynamic balance of the directional drive is destroyed, the drive shaft and its spline shafts and flowers The key sleeve is excessively worn.
Second, when the steering is heavy and laborious
The reasons are due to the fact that the rolling bearings and sliding bearings in various parts of the steering system are over-tightened, the bearings are not well lubricated, and the ball ends of the steering trailing rods and tie rods are over-tightened or lack of oil, and the steering shaft and casing are bent, resulting in jamming. The front toe is improperly adjusted, the front car or frame is bent, deformed, and the tire pressure is insufficient, especially the front tires.
Third, the steering wheel is difficult to manipulate
When driving or braking, the direction of the vehicle is automatically biased toward the side of the road. In order to ensure straight-line driving, the steering wheel must be firmly gripped. The causes of vehicle deviation are: the specifications of the front wheels on both sides or the air pressure are inconsistent, and the front wheels or the camber angles on both sides are not equal, and the front wheels and bearings on both sides are The gap is inconsistent. The steel plate springs on both sides do not have the same degree of camber or elasticity. The wheelbase on the left and right sides have a large difference in wheelbase. The wheel brake gap is too small or the brake drum is out of round, causing the side brake to issue a card, causing the brake to delay, and the vehicle loading uneven. Wait.
Fourth, the direction of floating
Often caused by driving the front wheel swing, when the vehicle reaches a certain high speed, there are reasons for the steering wheel to shiver or swing: shimming the tire or tire repair caused the front wheel assembly dynamic balance is destroyed, the total drive shaft Parts become loose, the dynamic balance of the drive shaft assembly is destroyed, the shock absorber fails, the rigidity of the leaf spring is inconsistent, the wear of the steering system parts is loose, and the front wheels are improperly aligned.
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