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Question 4252

What can happen if the brakes get wet while driving through a puddle?

  1. Braking distance is reduced.
  2. They can temporarily lose their effectiveness.
  3. They get damaged and the brake shoes or pads must be replaced.
Show answer and explanation

Correct answer: They can temporarily lose their effectiveness.

When you drive through a large puddle, water gets on the brake discs and pads, or the drums and shoes. When wet, they produce less friction, so the brakes lose effectiveness for a while and you need more meters to stop. They are not damaged, and you do not need to replace the pads or shoes, because they brake as they did before once they dry.

Conducción en condiciones especiales con tracción a las cuatro ruedas - Manejo fuera de la carretera