How to Clean a Car Cooling System?

1 Answers
BarrettLee
07/30/25 10:38am
Turn off the engine and wait for it to cool down. Unscrew the radiator cap, open the drain valve on the engine, and drain the original coolant. Then, close the drain valve properly. Adjust the heater to the highest temperature. Once the engine reaches normal operating temperature, let it run for 10 minutes.
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