How Does Antifreeze Work?

[Amanda]

Antifreeze works by preventing the formation of oil sludge and gum deposits when it mixes with engine oil, which can weaken lubrication and affect the connection of hydraulic valve lifters and piston rings. Antifreeze Composition: The main components of antifreeze are 50% pure water, 40% methanol, and 10% other substances. Antifreeze Replacement Interval: For vehicles that operate for long periods, such as taxis, high-quality antifreeze should generally be replaced once a year. For vehicles with shorter operating times, replacement can be done every two years or every 30,000 kilometers. To prevent excessive foam formation, which reduces the heat exchange efficiency between the antifreeze and engine components, ensure the product is within its validity period when adding it. Long-life antifreeze can remain effective for up to three years. If suspended particles, sediment, or signs of deterioration or discoloration are observed in the antifreeze, the system should be promptly cleaned and the antifreeze replaced.