Where are the freeze plugs at on a Buick century 2001?

In a 2001 Buick Century, freeze plugs are typically located on the engine block, specifically on the sides and rear of the engine. They are designed to prevent damage from freezing coolant by allowing expansion and can be found on both the left and right sides of the engine. To access them, you may need to remove components like the intake manifold or exhaust manifold, depending on the specific plug's location. Always consult a repair manual for detailed procedures and diagrams specific to your vehicle.