How do you check the car's brake system? | iKörkort.nu
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Common theory questions

How do you check the car's brake system?

You check the brake system by pushing hard on the brake pedal for 20 seconds while the car is stationary. The pedal should stop about halfway down and offer firm resistance.

Potential faults

  • If the brake pedal sinks slowly there is a leak in the brake system and the car must be towed to a workshop.
  • If the brake pedal feels springy there is probably air in the brake system. This must be fixed at a workshop.

You check the brake servo (vacuum servo) by pushing the brake pedal repeatedly and then starting the engine with the brake pedal pushed down.

If the brake servo works as it should, the brake pedal should move downward slightly as you start the engine. If it does not, something is wrong with the servo, which means you have to push much harder on the brake pedal to achieve maximum braking power.