Topic: Vehicle mechanics and maintenance · Nº 474 / 539

Question picture

¿Cómo y cuándo deberemos comprobar la presión de los neumáticos?

How and when should we check the tyre pressure?

  • AAntes de iniciar la marcha y con los neumáticos fríos.Before setting off, with the tyres cold.
  • BDespués de haber recorrido unos cuantos kilómetros y con los neumáticos en caliente.After driving a few kilometres, with the tyres hot.
  • CSi los neumáticos son sin cámara no se debe comprobar la presión de los mismos.If the tyres are tubeless, their pressure should not be checked.
Show answer

Correct answer

  • AAntes de iniciar la marcha y con los neumáticos fríos.Before setting off, with the tyres cold.
Explanation

Tyre pressure should be checked when the tyres are cold, not hot. When you drive, the tyres heat up and the pressure rises, so the pressure reading would be wrong.

Independent app: not affiliated with or endorsed by the DGT (Spain's Directorate-General for Traffic) or the Ministry of the Interior. The official exam is booked with the DGT and taken at its test centres. The questions here are practice material; the DGT's official question bank is not public.