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Vacuum servo

What does vacuum servo mean? We explain what vacuum servo is, what function it fulfils and when it is up and running in practice.

Vacuum servo, or brake servo, is found in most cars and makes it easier to brake. Its function is to amplify the braking force and it is only active when the engine is running. If you press the brake pedal when the engine is off, it should feel numb.

Other words

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