The Steering, though can be attributed to the chassis of the machine, but it is a different story.
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If the steering is in poor condition, the movement on such transport is extremely dangerous for both you and other road users. Before the actual repair of steering it is necessary to diagnose all steering control system. Only the results of the diagnosis can be judged that it is broken in this system and what item needs repair or replacement.
There are several indicators that your steering has failed. If your wheels wag from side to side, it's likely that the joints in the steering part is already pretty worn out and must be replaced. There are cases when the tyre tread wear out very quickly. This may be an indication that the steering does not work very properly. In this case, replace the joints tie rod, bushings and pins. If while driving you can hear the knock of different plan, this means that the connections of the tie rod have any gaps. In this case (if not damaged), you can tighten the nuts. It happens that in a steering bar replacing its tip. But this operation should be performed only if the previous item was completely worn out and failed. The most important thing is to monitor the status of the tie rod, otherwise you can bring up that will require full replacement.