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1. The end face of the compressor impeller is damaged by foreign matter.
The air intake pipeline is poorly sealed, the air intake enters the compressor impeller directly without passing through the filter, the air filter element is not replaced according to regulations or a counterfeit filter element is used, and foreign matter enters the air intake pipeline before the turbocharger during maintenance.
2. The turbocharger is damaged radially by foreign matter.
There are damaged parts in the engine cylinder. Foreign matter enters the exhaust manifold during maintenance. Any foreign matter entering will destroy the dynamic balance of the turbocharger rotor, and eventually cause the rotor to get stuck or the shaft to break.
3. Impurities in the engine oil cause the bearings and shafts to be worn out by wire drawing
The lubricating oil filter used in the engine does not meet the regulations or a counterfeit filter element is used, the filter element is punctured or the main oil channel filter of the engine is blocked, the lubricating oil is not replaced according to regulations, impurities enter the lubricating oil pipeline when replacing the turbocharger, and sealant or sealing gasket fragments enter the lubricating oil channel.
4. Insufficient lubrication of the turbocharger or aging of the lubricant
blockage of the oil inlet pipeline or lubricant filter, failure of the lubricant pump, failure to replace the lubricant according to regulations or use of inferior lubricant, sudden shutdown of the engine after heavy load, accelerator pedaling without idling after engine start, and failure to pre-lubricate before replacing the turbocharger.
Post time: Nov-11-2024