The reason
Lubricating oil is not clean.
Impurities in the oil path.
Foreign body in the exhaust pipe.
The diagnosis and treatment methods
Check whether the oil is clean. Because the turbocharger speed is high, the fitting accuracy between the bearings is also very high, if the oil is not clean, the new turbocharger shaft will damage very quickly, so a new turbocharger and replace the lubricating oil and the oil filter is very important.
If a new turbocharger, replacement of lubricating oil and oil filter, Baotou Benz parts of turbocharger life is very short, it is because the oil impurities caused by too much, need to clean the oil, may refer to the following cleaning method:
I removed the bad turbocharger engine off the oil.
Mixed oil, adding a certain amount of (30% 70% diesel oil).
Come to Baotou North Benz parts of turbocharger inlet pipe into the return pipe or tubing into the outlet seal.
The engine idle speed, 1 to 2 minutes after the stop, let go of mixed oil (if dirty, the best cleaning two times), the above work carried out in the hot car.
The cleaning or replacement of Baotou Benz parts of the supercharger oil inlet pipe, cleaning the oil pan, and replace the oil filter and air filter.
The installation of a new supercharger and turbocharger inlet to raise oil prelube, then put into the tubing, filled with oil and filter in the installation, the installation of other pipeline end.
The engine idling, 3 to 5 minutes after the speed check whether there is oil leakage phenomenon.