수리 사례

2026. 6. 30. 작업

증상

Why are recommended oil weights lower for many newer cars?

처리 내용

Two words, fuel economy. Using a thinner oil allows manufacturers to eek out a little more fuel economy. Thinner oil flows a little easier and has a little less resistance. To use the thinner oil, as you suggested, the tolerances inside the engine have gotten tighter. The tighter tolerances require new manufacturing techniques.