Holset turbocharger bearings are key components . This form is named according to the lubrication of bearings is known as "full -floating bearing " , high working speed , poor working environment . Therefore, to ensure the lubrication is important. If the oil supply due to low oil pressure led to slow , it will damage the turbocharger bearings causing failure. In a normal engine start is not such a failure , but if the engine oil and oil filter replacement first starts , it will produce a slow oil supply phenomenon, so the lack of oil lubricated bearings .(fiat turbocharger) In this case , start to idle for about 3 minutes , will not directly improve the speed of the turbocharger to the start speed. Similarly , the engine does not stop immediately after the make -speed and uphill, the engine continues to run at idle speed to make about one minute , so that the idling continues turbocharger bearings not in oil . Therefore, Holset turbocharger car driver , be sure to follow the manufacturer's instructions , but also pay great attention to the quality of the oil , not the Holset turbocharger car deemed generally operate the car .(fiat turbo) Most current Holset turbocharger exhaust side adjustment device to adjust, when not pressurized , for example when idling or threatened with deflagration , part of the exhaust will not escape through the bypass valve into the Hall Seth supercharger. When the engine speed of 1800 revolutions per minute , the solenoid valve closes the bypass valve to allow the turbine exhaust stream pointing to the side of the turbine to rotate. Yet another design is to adjust the turbine blade angle is adjusted by changing the resistance of the turbine rotation speed , thereby changing the amount of boost .(fiat turbo)
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