Can you use 15w 40?

Can you use 15w 40? Specifically 15w40 is a very common choice that I’ve seen recommended often. The short answer : You should use the oil recommended by the manufacturer in most circumstances. Explaination: In most vehicles using a heavier weight oil won’t have any noticeable effect. ? Can I use 15w40 instead of 5w40? … Continue reading Can you use 15w 40?