The coolant can be changed by itself. It is not difficult to replace the coolant, but some professional tools are needed, and it is more troublesome to replace it yourself. First of all, it is not possible to directly replace the coolant in a hot car to avoid scalding.
The first step: First, drain the original car coolant, find the drain valve of the car cooling system, usually at the bottom of the car, open the expansion pot cover, lift the car and unscrew the drain screw to drain the coolant.
Step 2: After the coolant is drained, pour clean water into the water tank and cooling system, and rinse the inside until the water drains out of the drain.
The third step: Screw on the drain screw, fill the new coolant into the expansion pot, and add it to the level between the MAX and MIN scales.
Step 4: Close the lid of the pot and start the car. The coolant level in the pot will slowly drop. At this time, you need to add the coolant again and still add it to the position between the MAX and MIN scales.
The shelf life of most engine coolants is about two years, and once the shelf life expires, it needs to be replaced. In other words, the engine coolant needs to be changed every two years. Some long-term coolants have a shelf life of 5 years, so the specific replacement time should be determined according to the actual situation.For frequently used vehicles, such as taxis, drivingmileageThe number is large, and it can be replaced in a cycle of 40,000 kilometers.
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