Where is the radiator drain plug located on a 2000 GMC Sierra Classic 1500 Pickup?

The radiator drain plug on a 2000 GMC Sierra 1500 Classic is located at the bottom of the radiator, usually on the driver's side (left side). However, it's not always easily visible. You might need to get down low and look carefully. It's typically a small, usually brass or plastic, plug.

Important Note: Before attempting to locate and drain the radiator, consult your owner's manual for the precise location and instructions. Failing to do so could result in damage to your vehicle or injury to yourself. The manual will often include diagrams to help you identify the drain plug.