What is the reason for slight oil leakage from the oil filter?

1 Answers
MaddoxAnn
07/29/25 10:16pm
The reasons for slight oil leakage from the oil filter are: 1. The filter was not tightened properly during replacement; 2. The sealing gasket was damaged during filter replacement. If the oil bypasses the filter and directly enters the lubrication circuit, it will carry impurities from the oil into the friction surfaces of moving parts, accelerating component wear and reducing the engine's service life. The oil filter is designed to remove impurities, gums, and moisture from the oil, delivering clean oil to various lubrication points. To prevent oil filter leakage, apply oil to the filter's sealing ring before installation. To reduce friction between moving parts in the engine and minimize component wear, oil is continuously supplied to the friction surfaces of moving parts, forming a lubricating oil film for lubrication.
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