Where is the oil drain plug for 2002 Chevy silverado 2500?

The oil drain plug on a 2002 Chevy Silverado 2500HD is located on the bottom of the oil pan. The oil pan is the large, somewhat rectangular metal part underneath the engine. The drain plug is typically a bolt, and will be located towards the front of the oil pan, though the exact position can vary slightly depending on the engine (e.g., 6.0L, 8.1L).

To be absolutely certain, consult your owner's manual. It will have a diagram showing the location of the drain plug and other important maintenance points. You can also find diagrams online by searching for "2002 Chevy Silverado 2500 oil drain plug location" along with your specific engine size. Be careful when searching, as some diagrams may be for different model years or trucks.

Safety first: Before attempting to change your oil, make sure the engine is cool and you have the proper tools and jack stands to safely access the drain plug.