How long is the life of a car's turbocharger?

31-12-2021

How long is the life of a car's turbocharger?

 

How long is the life of a car's turbocharger?

 

How long is the life of a car turbocharger? This is a question that many turbocharged engine owners want to ask. Now due to the special requirements of environmental protection, many models have been equipped with turbocharged engines. On the basis of the naturally aspirated engine, an abandoned turbine is added to increase the engine power. Then the life of the turbocharger and the life of the engine are The same?


The full name of turbocharger is exhaust gas turbocharger. This system compresses low-temperature and low-pressure gas into low-temperature and high-pressure gas, increasing the intake of the engine, achieving the purpose of multi-injection and increasing engine power; the turbocharger itself is a low-temperature component, but it is increased The power of the compressor comes from high-temperature and high-pressure engine exhaust gas, and the exhaust gas temperature is as high as 900°C-1000°C; in addition, under the full load of the engine, the turbine speed is as high as 180,000-200,000 revolutions per minute, so the turbocharger’s The working environment is very harsh, and the speed is high, which has a direct impact on the life of the turbocharger.

 

Due to the high temperature and high speed, the material requirements for the turbocharger turbine are relatively high. At the same time, the bearings need efficient and stable lubrication, and the requirements for engine oil, bearings and oil seals are very high;

 

Therefore, when the early turbocharger was used for 80,000 to 100,000 kilometers, or even earlier, there would be oil leakage from the front and rear oil seals of the turbocharger, which would seriously block the catalytic converter and cause acceleration difficulties. With the advancement of technology, the turbocharger gradually Mature, such as the current turbocharger life has been able to last to about 250,000 kilometers. The service life of the engine can generally be guaranteed for hundreds of thousands of kilometers without overhaul; the service life of the turbocharger and the engine is greatly affected by maintenance, especially the turbocharger; the turbocharger technology model has a greater impact on the oil consumption and lubricity The requirements are extremely high. It is recommended that you change the lubricating oil within the maintenance mileage specified by the manufacturer, and try to choose the original recommended engine oil. The use of low-quality engine oil will cause the floating turbine main shaft to lack lubrication and heat dissipation, which will damage the oil seal and cause oil leakage.



Electronic Turbocharger

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