When to Change Winter Engine Oil?
2 Answers
Generally, engine oil should be changed before winter arrives. The specific timing may vary depending on the local environmental temperatures. If the winter conditions are particularly harsh, it is recommended to use winter-specific engine oil, which can provide better lubrication for the engine and prevent abnormal wear during operation. Engine oil change intervals: 1. Time and mileage, whichever comes first: For conventional oil, it should typically be changed every 3-4 months. Synthetic blend oil lasts 6-9 months, conventional oil should be changed every 5,000 kilometers, semi-synthetic oil every 7,500 kilometers, and full synthetic oil every 10,000 kilometers. The oil change interval may vary depending on driving conditions. 2. Long-distance driving vehicles: When a car frequently travels long distances, conventional oil should be changed every 5,000 kilometers, semi-synthetic oil every 7,500-10,000 kilometers, and full synthetic oil can be changed every 10,000-15,000 kilometers. 3. New car first maintenance: The oil change interval for a new car's first maintenance also varies. Some cars require an oil change within two months or 3,000 kilometers, while others require it within six months or 7,500 kilometers. The oil for the first maintenance can be changed according to the 4S shop's recommendation. During the break-in period, the engine oil contains more impurities and should not be used for an extended period.
After driving for so many years, I've deeply realized the importance of timing when switching to winter engine oil. Generally, winter engine oil is specifically designed for low temperatures, such as oils labeled 0W or 5W, which have better fluidity in cold weather to prevent engine strain during startup. The optimal time to change is when temperatures consistently drop below 7 degrees Celsius, typically around late autumn, like November. However, I recommend preparing early and making the switch by late September or early October. If you change too late, regular oil will thicken in the cold, increasing engine wear and even causing difficulty in morning starts. Living in the north, I change the oil right after the first frost every year, while also checking the antifreeze and battery condition to ensure my car stays safe during harsh winters. Don’t wait until snow arrives to scramble for maintenance—regular upkeep extends engine life and saves both hassle and money. Friends in temperature-sensitive southern regions can delay slightly, adjusting based on weather forecasts.
