GM has issued a new special coverage bulletin for certain units of the 2023 Chevy Silverado 1500 equipped with the 3.0L I6 LZ0 Duramax turbodiesel engine.

Part of our Water Cooling 101 Series where we show you how to drain your current loop and add to it. Support us by buying ...

Just like your engine's oil, adding coolant when needed is vital, but if you overfill the reservoir, don't panic. Here's what you will need to do.