1. The oil level is too low, and the oil pump cannot suction oil normally;
2. Excessive viscosity of engine oil or thickening of engine oil due to high-temperature oxidation;
3. Excessive dust impurities or moisture in the engine oil;
4. The oil pump is severely worn or improperly assembled, and the sealing of the oil inlet pipe joint is not tight;
5. Severe blockage or leakage of the oil circuit;
6. Poor assembly of bearing shells, clearance too large or too small, clearance too small should not form an oil film, too large cannot maintain the oil film;
7. There is a quality issue with the bearing itself.
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Address: Renhe Road, Wuyi Southeast Industrial Zone, Shuxi Street, Wuyi County, Zhejiang Province
Fax:0579-89093131
Email:simeoil@163.com