How often does the new car antifreeze change

Antifreeze is called coolant. Its main function is to keep the engine within a normal operating temperature range at all times during operation. At the same time, it also undertakes the functions of antifreeze, anti-boiling and anti-corrosion.So how often do you change the antifreeze for a new car?

In general, the carThe antifreeze replacement cycle is 40,000 kilometers every two years.As the replacement of automobile antifreeze is complicated, it is necessary to go to an automobile after-sales repair shop for replacement.

Replacement steps of car antifreeze

1.After ensuring that the vehicle engine is in a cold state, drive the vehicle into the lift operation area and open the coolant expansion bottle cover.

2.Lift the vehicle to a suitable working height, and unscrew the drain screw on the engine cooling water tank to drain the coolant (some models may need to step on the bumper to unscrew the drain screw; if there is no drain screw on the vehicle water tank , You need to use a pipe pliers to pull out the water pipe of the water tank)

3.After draining the coolant, put down the vehicle, pressurize the spout of the expansion kettle with high-pressure gas to drain the coolant remaining in the engine water channel, and screw on the drain screw on the water tank (if the water pipe is pulled out, The water pipe needs to be installed. Note: When installing the water pipe, the water pipe needs to be coated with sealant, otherwise there will be leakage)

4.Pour new coolant from the expansion kettle, and start the vehicle after it is full. At this time, the coolant level will drop significantly. Just replenish the coolant in time. When the engine water temperature rises to normal temperature, the antifreeze After the liquid level stabilizes at the normal liquid level, the flame is turned off.

5.Lift the vehicle again and check for coolant leakage. If not, the antifreeze replacement is complete