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What Is a Turbo Actuator?

Posted by Scott Goldfarb on

Many car enthusiasts dream about turbocharging their vehicles. Turbocharging boosts overall performance and improves fuel efficiency and engine power. However, to properly turbocharge your vehicle, it's essential to know the parts and their use. So, what is a turbo actuator, and what's its role in turbocharging your vehicle?

In this article, we'll explain what turbo actuators are and highlight their importance. You'll better understand its role during the turbocharging process by elaborating on its use and how it works. We will discuss the function mechanism behind this essential component and how it boosts your vehicle's performance.

Continue reading to discover what does a turbo actuator do and its use!

What Is a Turbo Actuator

Source: shutterstock.com / Photo Contributor: Guitar Studio

What Is a Turbo Actuator?

A turbocharger actuator is an essential part of a turbo engine that diverts exhaust gasses away from the turbine wheel. Although this valve can be external or internal, its main function is to regulate turbine and compressor rotation speeds.

Besides speed control, it also prevents damage to the turbocharger by maintaining the maximum boost pressure at a safe level. Since this equipment protects the engine from wear and tear, we advise you to always purchase the parts from trustworthy turbocharger suppliers to avoid potential issues.

How Does a Turbo Actuator Work?

After discovering what is a turbocharger actuator, we want to elaborate on how it works. As this is a fairly simple piece of equipment, it uses two parts to maintain the boost pressure, known as the diagram and spring. 

The main function of the spring is to open the wastegate once the boost pressure reaches maximum capacity to let the gas escape. Otherwise, it keeps the wastegate shut until the vehicle reaches the desired speed. Once the wastegate opens, it reduces the boost pressure, regulating the rotation speed of the turbine and compressor.

Turbo Actuator VS Wastegate

We’ve noticed that many new turbocharger enthusiasts struggle with differentiating actuators and wastegates, so we want to explain their main differences. Even though these two parts have similar roles and work together, they’re still separate components. 

First, the turbo actuator controls the movement of the wastegate to ensure it’s positioned correctly to control the flow of exhaust gases. It responds to the boost pressure or ECU signals that indicate when to open or close the wastegate, which regulates the boost.

On the other hand, the wastegate is the actual valve that controls the flow of exhaust gasses into the turbocharger’s turbine. Since it directly influences the boost pressure, its closed position allows more exhaust gas to flow into the turbine. In contrast, the open position reduces the boost pressure by letting these gasses bypass the turbocharger.

Turbo Wastegate

Source: shutterstock.com / Photo Contributor: Kitsada Tan Lumphao

Conclusion

So, what is a turbo actuator? After discovering the use and mechanics behind the essential turbo part, it’s safe to say that it plays a vital role in boosting your vehicle’s performance.

Its primary function is to regulate turbine and compressor rotation speed, protecting the engine from wear and damage. Also controlling the open and close position of the wastegate keeps the maximum boost pressure at a safe level, ensuring proper control of the flow of exhaust gases.

Lastly, if you’re looking for authentic turbocharger suppliers from where you can get the necessary parts, check out what we at Goldfarb & Associates offer. Not only can you find the best affordable options, but you’ll also ensure quality materials!

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