How does a Wastegate work on a Turbo? Diesel Turbo Wastegate Function

Understanding Turbocharger Wastegates: How They Work and Why They Prevent Turbo Problems
Rob here at HHP. We receive numerous questions about turbocharger wastegates. Today, we’ll explain how wastegates function and why they are crucial for your turbocharger.
Step-by-Step Guide/Tutorial:
Wastegate Basics: Learn about the pneumatic actuator connected to the exhaust and how it regulates boost pressure.
How It Works: Discover how the wastegate senses boost pressure and opens a valve to bypass the turbine wheel, preventing over-speeding.
Common Mistakes: Understand the risks of pinching off the wastegate hose and how it can lead to turbo failure.
What You Will Learn:
The role of wastegates in controlling turbo speed.
How wastegates prevent turbo damage by managing exhaust flow.
The dangers of manipulating wastegate hoses.
Key Benefits:
Improved turbocharger lifespan.
Enhanced engine performance and safety.
Better understanding of wastegate functionality.
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[@petso2196]

This is the clearest and most succinct explanation of how a wastegate works that I've seen. Bravo!

[@leiladaquil6587]

Your explanation is accurate,I really agree,it is understood that the actuator compression spring is factory calibrated and no one must modify it just to retard the gate opening just to increase boost beyond its design.

[@gustavoespinoza4879]

Very simple yet profesional explaination

[@gdfggggg]

Good explanation

[@petersamodhar9527]

Way of explaining very good. god may give you good health.

[@PatrickPigi]

Cristal clear explanations👍👍

[@Highwayandheavyparts]

Glad you liked it👍

[@patrickgitihu1500]

simple excellent explanation. Thanks

[@Highwayandheavyparts]

Glad it was helpful!👍

[@Grandpasaab]

Nice video! i have a little issue with my Td04-19t on my saab 9-3. In 2nd and 3rd gear it does have 1.6 bar all the way up to redline (sometimes rarely it holds 0.5 bar when i floor it wich is base boost pressure) Yesterday i went for a top speed run and a 60-120 test but in 4th and 5th gear in high rpms is only has max 0.5 bar. Barely could get to 120 with 330hp at the crank. My previous setup had a T25 widh about 240hp which got to 150 mph and ideas?

[@Alex-kr1eg]

Is a turbine with a waste gate as or nearly as efficient as a turbine with variable geometry?

[@Highwayandheavyparts]

The biggest advantage of a VGT over a Wastegate Turbo is the air-to-fuel ratio of the engine. VGT's can handle that more precisely than a Wastegate Turbo.