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In some heavy goods vehicles, what does the pneumatic suspension system ensure?

Correct answer

Automatic levelling of the bodywork.

The pneumatic suspension system found in some heavy goods vehicles uses the compressed-air installation for the supply circuit and allows the bodywork to be automatically levelled according to the load being carried.

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  • Improved vehicle handling, as it increases the sprung weight on each of its axles.

  • A reduction in the overload that existed on the mechanical springs.

  • Automatic levelling of the bodywork.

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