Usualy every 2-3 years, or after driving 30,000 miles. I woul check your owners manual.
Standard antifreeze should be changed every two years. Long life antifreeze needs changing every five years.
how to change antifreeze in vauxhall vectra B
How do you change the antifreeze in a 2004 Eddie Baurer ford Expedition.
Honda recommends @ 45k miles and then every 30k miles after that.
Dex-cool is recommended to be changed every 5 years.
To change the antifreeze on a Mercedes, locate the drain plug on the bottom of the radiator. Drain the fluid into a pan and refill it.
The antifreeze provides corrosion protection and gradually becomes acidic as the corrosion protection declines
flush and change cooling system liquid every 2 years. use correct liquids for your vehicle.
The corrosion protection package in the antifreeze does " wear out " so if you do not change the antifreeze / preferably distilled water mix the coolant mix will become acidic and not provide the corrosion protection that is required
Adding antifreeze to your radiator is a physical change because the antifreeze retains its chemical composition and properties when mixed with the water in the radiator. It does not undergo a chemical reaction to form a new substance.
you can change it to green, however, the "green" antifreeze will corode your radiator, water pump and anything else that is alumnium in your cooling system. Also, while dex-cool may seem expensive now, you dont have to change it as often as the green which will save you money in the long run
To change the antifreeze on a 2003 Alero once the car cools remove that radiator pressure cap. Pour in a gallon of pre mixed coolant.