2013 Chevy Silverado Which Coolant

[artificialist]

I change it every 3 years on cars that use it, and I avoid problems.

The failing gaskets on those GM engines were just badly designed and badly made.

 

[Bgallagher]

Stick with what you have. Dexcool only had issues in a few engines and that was the introduction of air or non-dexcool being added to the system. I would flush it out every 3 years with dex cool and not sweat it.

Sweet truck BTW!