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What You Need to Know About Car Vacuum Pumps

Your car’s engine requires a constant vacuum source to operate properly. If your engine is naturally aspirated, then this source is simply the engine operation. It produces a vacuum source at all times. However, turbocharged engines need help. A turbocharger produces boost pressure, which is the opposite of a vacuum. This means that all modern engines with turbochargers also have a vacuum pump to counteract the boost pressure.

Vacuum pumps serve the purpose of providing a vacuum source to various places in the engine bay. For example, the power brake system has a booster that requires a vacuum. The vacuum pump ensures that the booster gets a constant vacuum to deliver enough braking force to stop. The turbocharger wastegate actuators also require a vacuum to perform correctly.

Signs of a failing vacuum pump include loud noise, delayed brake response, a hissing noise when you depress the brakes, or a rough idle. Sometimes, these symptoms can be mistaken for other things.

Genuine Vacuum Pumps From AutoNation Parts Work Best

A faulty or failing vacuum pump can cause big problems in your engine. Explore a wide selection of quality vacuum pumps from AutoNation Parts when you use our vehicle selector to match your vehicle with the right parts. Save on genuine parts today and get them shipped anywhere in the country.

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14025AA550 - : Engine Cover for Subaru Image

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