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Which check reveals a worn track rod end?

  • A.Rocking the wheel from side to side at the front and rear
  • B.Rocking the wheel at the top and bottom, which reveals play within the wheel bearing or the suspension ball joints
  • C.Measuring the toe
  • D.Checking the free play at the steering wheel with the road wheels held stationary by an assistant on the ground

Answer: A

Grasping the wheel at the three and nine o'clock positions and rocking reveals play in the steering linkage. Rocking at twelve and six reveals bearing and suspension play instead. An assistant watching the joint identifies exactly which one is loose. Naming the cost of a choice alongside its benefit is what turns a fact into a design decision. Checking which component actually carries the load settles most questions of this kind at once.

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