Antifreeze Coolant Xchange
how often, miles/age, do you change your radiator coolant? do you have them back flush your radiator also? mine appears still to be clean but who knows what lurks inside that radiator...truck is st...
Forum Discussion
Turtle n Peeps wrote:I know for the Duramax's its every 50K miles.
You know from who? Certainly not from GM engineers. :R
I know that from my owners manual, if you would read the thing, you might learn something. They tend to come in handy with things like this. About the only thing I vary on from it is oil changes and FF changes, because I don't use what comes in it from the factory. Butter me up and grill me for that too.
