Why does the engine make a gurgling sound like boiling water?
1 Answers
Engine gurgling sounds resembling boiling water are typically caused by insufficient coolant or the use of poor-quality coolant. Here are specific details about coolant: 1. Antifreeze effect: The freezing point of water is 0°C, while standard antifreeze can generally reach -40°C. High-quality antifreeze should achieve around -60°C, which is an important indicator for evaluating coolant quality. 2. Boiling point: The boiling point of water is 100°C, whereas antifreeze should reach at least 108°C or higher. This means that the lower the freezing point and the higher the boiling point, the greater the temperature range, indicating better quality antifreeze.