ESENRU

Topic: Vehicle mechanics and maintenance · Nº 393 / 539

Question picture

¿Qué se debe hacer para evitar el sobrecalentamiento de los frenos al circular por una carretera con fuertes pendientes descendentes?

What should you do to stop the brakes from overheating when driving on a road with steep downhill slopes?

  • AUtilizar el freno motor.Use engine braking.
  • BUtilizar el freno de servicio de manera continuada.Use the service brake continuously.
  • CUtilizar el freno de mano muy suavemente.Use the handbrake very gently.
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Correct answer

  • AUtilizar el freno motor.Use engine braking.
Explanation

On a long or steep downhill stretch, to stop the brakes from overheating through repeated use (known as the fading effect), it is advisable to change down to a lower gear to make use of the vehicle's engine braking.

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