请教

[lzjnsd]

请教各位，防冻coolent需要经常换吗？若需要换，多长时间换一次？
多谢～

 

[左突右闪]

once a year is good

 

[吾言]

Normally, the coolant needs to be changed every 2 years or 50K km. Long life coolant may be changed every 5 years.

 

[lzjnsd]

thanks a lot~