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On a bus with hydraulic power steering and a reservoir with minimum and maximum marks, should you check the fluid level following the manufacturer’s instructions?

Correct answer

Yes, and it must be between the maximum and minimum marks.

Yes. Periodically check that the level is between the marks, following the manufacturer’s procedure, temperature conditions and specified fluid. Do not wait for abnormal steering effort or fill until it overflows. A falling level or loss of assistance requires investigating the cause; topping up does not repair a leak. Purely electric power steering does not necessarily have that reservoir: the question specifies a hydraulic system.

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All options

  • Yes, and it must be between the maximum and minimum marks.

  • Yes, and I must check that the reservoir is overflowing.

  • No, it is only necessary when you notice an abnormal increase in the effort required.

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