How do you change a oil pan gasket for a 2000 Tahoe?

To change the oil pan gasket on a 2000 Tahoe, first, ensure the vehicle is on a level surface and safely elevated. Drain the engine oil and remove the oil pan by unbolting it from the engine block, taking care to detach any components obstructing access. Clean the mating surfaces thoroughly, apply a new gasket or sealant as specified, and reattach the oil pan with new bolts. Finally, refill the engine with oil and check for leaks once the engine is running.