Adjustment skills of turbocharger bypass valve

Turbocharged engine is widely used because of its advantages of low displacement and high power, and supercharger is the most important part of turbocharged engine. The supercharger bypass valve can adjust the pressure of the supercharger by adjusting the length of the valve rod. What happens when the supercharger bypass valve stem becomes shorter?

What happens when the supercharger bypass valve stem becomes shorter?

The bypass valve stem is usually used to adjust the turbine pressure. If the bypass valve of the supercharger is not faulty, shortening the bypass valve stem will increase the turbine pressure, while extending the bypass valve stem will reduce the turbine pressure.

I don't think the higher the turbine pressure, the better. It depends on the specific conditions of the engine. Some models cannot withstand excessive turbine pressure. If the turbine pressure is forcibly increased, it will only affect the durability of the vehicle and easily affect the engine overheating.

How to adjust the bypass valve of turbocharger?

The most common problem is to adjust the position of the stem nut. The position of the nut will change the length of the valve stem, thus affecting the pressure of the turbine. Some cars use solenoid valves, which are adjusted by the electronic control unit. Only when the computer enters the ECU can the working state of the bypass valve be changed.

It should be noted that we do not advocate the owner to adjust the valve stem by himself. Because adjusting the valve stem has a great influence on the dynamic performance and durability of the vehicle, it is easy to damage the engine without relevant professional knowledge.

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