If it is clean and offers proper protection both against freezing (-20) and against "boil over" you can get 100,000 miles or 5 years
Standard antifreeze should be changed every two years. Long life antifreeze needs changing every five years.
It depend's on what type and year vehicle you are driving. some of the gm model's have a lifetime antifreeze that is orange in color.
Dex-cool is recommended to be changed every 5 years.
The color of the antifreeze does not matter, as long as its the same type used to fill it the last time you changed it. I would suggest using the "long life or extended life antifreeze. this is good for around 2-3 years. You can buy the cheaper stuff, but it must be changed more often. But again, the color does not matter.
weekly
Passwords should be changed every month.
According to my dealer, it should be changed at 150,000 km.
Are you sure that isn't antifreeze and if so that would indicate the radiator is defective. There is a transmission oil cooler in the radiator.
When it is dirty.
When it is dirty.
When its old
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