What Does Engine Cylinder Scoring Mean?

1 Answers
StJackson
07/30/25 12:43am
Engine cylinder scoring refers to the presence of obvious longitudinal mechanical scratches and abrasions on the inner wall of the cylinder within the movement range of the piston rings. In severe cases, adhesive wear may occur, leading to difficulties in starting the engine or causing it to stall automatically. The solutions for engine cylinder scoring are: 1. Promptly replenish the engine coolant; 2. Replenish the engine oil; 3. Replace the piston rings and piston pin circlips. The causes of engine cylinder scoring are: 1. Overheating of the engine due to leakage or lack of water in the cooling system that is not replenished in time; 2. Insufficient engine oil; 3. Broken piston rings scratching the cylinder wall; 4. Foreign objects entering the cylinder; 5. The fit clearance between the piston and the cylinder wall being too small.
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