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C1Difficulty 3/5

On a lorry with hydraulic power steering and a reservoir marked MIN and MAX, should you check its fluid level?

Correct answer

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

Yes, following manufacturer conditions and frequency; the level should be within the applicable marks. If topping-up is required, use the specified fluid and do not overfill. A low level can reduce assistance or damage components; fluid loss needs inspection rather than repeated topping-up alone. Do not wait for steering to become heavy. Purely electric steering has no such reservoir, and not every lorry uses a rack-and-pinion steering mechanism.

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All options

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

  • No, it is only necessary when you notice an abnormal increase in the effort needed to turn the lorry's steering wheel.

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

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