How often should the antifreeze be replaced in a BYD Song?
2 Answers
BYD Song's antifreeze should be replaced every two years or 40,000 kilometers. Antifreeze prevents the coolant from freezing and cracking the radiator or damaging the engine cylinder block or head during cold winter parking. The BYD Song is a compact 5-door, 5-seat SUV with body dimensions of 4600mm in length, 1830mm in width, and 1700mm in height, with a wheelbase of 2660mm and a fuel tank capacity of 63 liters. The BYD Song is equipped with a 1.5T turbocharged engine, delivering a maximum power of 118 kilowatts at 5200 rpm, featuring front-wheel drive. The front suspension uses MacPherson independent suspension, while the rear suspension employs a multi-link independent suspension.
Regarding the replacement of the coolant for the BYD Song, I believe it should be changed every two years or after driving 40,000 kilometers. I’ve been driving this car for several years, and that’s what the manual stated before. Before daily driving, I lift the engine hood to check the coolant reservoir—keeping the fluid level between the min-max marks is safe, and if the color changes from bright to cloudy, it’s a warning sign. Don’t neglect this. Last time, I was lazy and didn’t replace it for half a year, and the engine almost overheated during a summer long-distance trip. Fortunately, I noticed it in time, avoiding major issues. I recommend handling it along with the maintenance cycle and getting it replaced at a professional shop—only the correct mixing ratio can protect the engine. Winter is approaching, so replacing the coolant prevents freezing risks and ensures peace of mind while driving. Developing a habit of regular checks saves trouble later.
