What is Coolant?

1 Answers
DeclanDella
07/28/25 7:24pm
Coolant, also known as antifreeze, radiator fluid, or radiator protector, primarily functions to ensure the normal and efficient operation of the engine. It circulates within the engine's radiator, providing effects such as freeze protection, boil-over prevention, rust inhibition, and corrosion resistance. Most coolants are colored red or green, and different types of coolant should not be mixed. Below is more information about coolant: 1. Function: Modern engines rely on the combined action of coolant and engine oil to lower the engine's temperature, achieving a dual-cycle cooling effect. During normal operation, coolant will gradually deplete, so it's important to monitor and replenish coolant levels regularly while using the vehicle. 2. Precautions: The coolant level should neither be too high nor too low. The engine compartment's radiator has markings indicating the maximum and minimum coolant level limits.
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