Correct answer: D. To ensure the tyre will remain inflated.
When fitting a new tubeless tyre to a vehicle it is recommended to change the valve. This is because the old valve has been on the wheel since the old tyre was fitted. The old valve may break down, leak or cause air to escape.
This is an official-style question from the Technical Matters topic of the Ireland driver theory test (Cat. B). Practise all 807 questions free on iTest.ie — with timed mock exams, automatic mistake tracking and progress sync across devices.
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