Where is the problem when a car is leaking oil?

1 Answers
DelRyan
07/30/25 2:00am
Here is an analysis of the reasons for car oil leakage: 1. Quality issues: Poor product quality, materials, or craftsmanship; structural design problems. 2. Improper assembly: Incorrect high-speed assembly, unclean mating surfaces, damaged or displaced gaskets, or failure to follow installation procedures. 3. Loose screws: Uneven tightening torque of fastening nuts, stripped threads, broken bolts, or loosening and falling off, leading to operational failure. 4. Aging and failure: Wear beyond limits of sealing materials after long-term use, aging, deterioration, or deformation failure. 5. Over-lubrication: Excessive addition of lubricating oil, excessively high oil level, or use of incorrect oil type.
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