A vacuum pump is required to provide or increase the vacuum power required by different car components like the braking system. If the vacuum pump fails or leaks, some car functions might be compromised and you will need vacuum pump repair services. Find out more below.

What is a Vacuum Pump and What does it do?

An engine running on gasoline creates a vacuum during driving. However, the vacuum created might not be sufficient to power some accessories. And more vacuum needs to be created. That’s where a vacuum pump comes into play. On the other hand, diesel engines don’t create any vacuum on their own and thus need a vacuum pump for different car systems like braking and some HVAC functions.

Vacuum pumps are usually located behind the engine,  near firewalls, near master cylinders and the brake boosters. The pump has two nozzles on the top and a canister design which make it easy to identify.

There is an electric air pump that keeps the vacuum of the vacuum tank behind the front bumper constant. If the vacuum pump fails or leaks, you may hear a shoe from the engine compartment, the heater might stop working, or the brake pedal may be difficult to press.

It is important to remember that vacuum pumps are electronic components that can encounter both electrical and mechanical problems. They are not designed for maintenance. So, they are not usually inspected during routine maintenance other than vacuum line inspection.

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Why is Vacuum Pump Repair Needed?

If the vacuum pump fails, the brakes will not work properly putting the vehicle in danger. If your mechanic diagnoses a defect in the pump, we recommend immediate vacuum pump repair and replacement.

When should you Replace the Vacuum Pump?

Some of the common symptoms of a faulty vacuum pump are:

  • Heater control does not work properly
  • There is a swooshing sound
  • Difficult to press the brake pedal

How is the Vacuum Pump Replacement Done?

  • Defective vacuum pumps are identified and removed
  • Then a new vacuum pump will be installed
  • The brakes are tested for proper operation of the vacuum pump
  • Vehicles are road tested and checked for proper operation of vacuum pumps and brakes

Final Words

Vacuum pumps, which are expected to last the life of the vehicle, are maintenance-free and will only need to be serviced in the event of a breakdown. If you are experiencing symptoms related to your vacuum system, consult an experienced mechanic on Swezo.

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