Brake Vacuum Lines

Replacement Parts > Brake > Hoses and Pipes

Brake Vacuum Lines

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What is a Brake Vacuum Line?

A Brake Vacuum Line is a hose made of rubber and plastic that connects the power brake booster to the engine's intake manifold. It allows the booster to draw in vacuum from the engine, making it easier to press the brakes.

What is the purpose of a Brake Vacuum Line?

The purpose of a Brake Vacuum Line is to help reduce the effort of pressing the brakes. It works by drawing in vacuum from the engine, which the power brake booster uses to help press the brakes when the pedal is pressed.

How can I tell if my Brake Vacuum Line is faulty?

You can tell if your Brake Vacuum Line is faulty if you experience a spongy or soft pedal when pressing the brakes. You can also inspect the line visually for cracks, kinks, or other signs of damage. If the line is in poor condition, it should be replaced.

Can a faulty Brake Vacuum Line cause damage to the vehicle?

Yes, a faulty Brake Vacuum Line can cause damage to the vehicle. If the line is blocked or has a leak, it can reduce the effectiveness of the brakes and cause the brakes to fail. This can lead to accidents and damage to your vehicle.

How do I replace a Brake Vacuum Line?

Replacing a Brake Vacuum Line is a relatively simple process. Here are the steps:

  1. Disconnect the negative battery cable and locate the old line.
  2. Unscrew the line from the power brake booster and the intake manifold.
  3. Cut the old line and remove it.
  4. Insert the new line and connect it to the power brake booster and the intake manifold.
  5. Tighten the connection and reconnect the negative battery cable.


How often should I inspect my Brake Vacuum Line?

It is recommended to inspect your Brake Vacuum Line at least once a year or whenever you have your brakes serviced. Regular inspections can help prevent premature failure of the line and ensure that your brakes are functioning properly.