The freeze plug on a 1997 Mercury Mountaineer is typically located on the engine block, specifically on the sides and rear of the engine. These plugs, also known as core plugs or expansion plugs, help prevent damage from freezing coolant. To access them, you may need to remove components such as the intake manifold or exhaust manifold, depending on their specific location. Always consult a repair manual for detailed guidance on your particular engine configuration.
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