Yes, it is generally advisable to let the engine cool before adding oil. When the engine is hot, the oil inside is also hot and under pressure, which can cause it to spray out and potentially cause burns. Additionally, checking the oil level when the engine is hot can result in an inaccurate reading, as some of the oil is still circulating within the engine rather than settled in the oil pan. Waiting 10-15 minutes after turning off the engine allows the oil to drain back into the pan and the engine to cool down slightly, providing a safer and more accurate environment for adding oil.

Trust Crossroads Helpline for all your car repair needs.