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Why is it necessary to clean the radiator?

1 Answers
Angelina
07/29/25 7:06pm
Car radiators need to be cleaned regularly because they accumulate impurities and sediment deposits, which affect heat dissipation efficiency. Radiator cleaners and protectors can be used for cleaning, which quickly remove scale from the radiator, water pump, and engine. This prevents scale buildup and corrosion, lubricates the water pump, and is convenient and reliable. Below are the specific steps for cleaning the radiator: 1. Ensure the engine is turned off and cooled. Open the radiator cap, slowly add the automatic radiator cleaner into the radiator until the coolant reaches the normal level, then tighten the cap. 2. Start the engine and let the coolant reach normal operating temperature, then run the engine for 1-40 hours as needed. If there is hard scale in the cooling system, extend the operation time to 10-48 hours. 3. Turn off the engine and drain the coolant containing deposits. Replace it with antifreeze or clean coolant. 4. Clean the radiator with automatic cleaner once a year.
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