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Do New Cars Need Coolant Added?

1 Answers

KathrynAnn

07/30/25 6:07am

Generally not required. Below are the relevant precautions for adding antifreeze: 1. Do not mix antifreeze: Different types of antifreeze have different freezing points due to their varying compositions, so it's essential to choose antifreeze based on the temperature conditions of the vehicle's operating environment. Typically, the antifreeze's freezing point should be 10~15°C lower than the local minimum temperature to prevent the antifreeze from losing its antifreeze function. 2. Do not dilute with water: Avoid mixing antifreeze with tap water. Antifreeze diluted with tap water not only increases the freezing point but also gradually forms sediment due to impurities in the tap water, ultimately affecting the cooling system's efficiency. 3. Do not directly add concentrated antifreeze: The concentration of ethylene glycol in antifreeze is not necessarily better when higher. Directly adding high-purity concentrated antifreeze not only fails to meet the engine cooling system's requirements for antifreeze but may also lead to unexpected issues such as antifreeze deterioration, increased low-temperature viscosity, and engine overheating. Therefore, when using concentrated antifreeze, it must be mixed according to the specified requirements, and direct use is prohibited.

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