What is the usual method for cleaning a car radiator?

1 Answers
Francis
07/30/25 5:37am
Car radiator cleaning method is: 1. Park the vehicle and turn off the engine. After the coolant temperature drops, open the expansion tank and add radiator cleaner; 2. Start the engine and let it idle for 5-10 minutes after the cooling fan operates; 3. Turn off the engine and remove the front bumper; 4. After the coolant has completely cooled, drain the radiator cleaner along with the coolant; 5. Replace with new engine coolant. The car radiator consists of an upper tank, lower tank, cooling tubes, and cooling fins outside the tubes. Hot coolant cools down by transferring heat to the air, while cold air gets heated by absorbing heat from the coolant, making the radiator a heat exchanger.
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