1. First, remove the car's bottom guard and you will find two water pipes;
2. Then, manually remove the card on the water pipe on the right that is connected to the car's radiator. button and unplug the water pipe;
3. Let the old antifreeze in the water pipe flow out automatically;
4. After the flow is completed, put the water pipe back to its original position;
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5. Use a small screwdriver to gently open the buckle on the water temperature sensor, unplug the sensor, and manually unplug the water pipe from the water tank;
6. After unplugging, the antifreeze will It will flow out by itself;
7. Then, blow out the remaining antifreeze;
8. At this time, you can add new antifreeze to let the fan After running for a while, the water temperature returns to normal.