ESENRU

Topic: Vehicle mechanics and maintenance · Nº 351 / 539

Question picture

¿Se debe revisar el nivel del líquido refrigerante que contiene el vaso de expansión?

Should the coolant level in the expansion tank be checked?

  • ASí, debe estar entre las marcas de máximo y mínimo.Yes, it must be between the maximum and minimum marks.
  • BSí, pero sólo será necesario hacerlo cada 2 años.Yes, but it only needs to be done every 2 years.
  • CNo es necesario ya que este líquido no se evapora.There is no need, because this liquid does not evaporate.
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Correct answer

  • ASí, debe estar entre las marcas de máximo y mínimo.Yes, it must be between the maximum and minimum marks.
Explanation

The cooling system's job is to remove part of the heat produced while the engine is running. Its maintenance is to check the coolant level in the expansion tank (it must be between the maximum and minimum marks). This check should be done when the engine is cold. We should also change the coolant as recommended by the manufacturer (usually every 2 years). And in winter we will add antifreeze to the coolant to stop it from freezing.

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.