Your car’s major engine components are likely made of various combinations of cast-iron, aluminum-alloys, and steel. Engine bearings are located in the deepest recesses of the engine block and rotating assembly. They contain a lining of babbitt metal to reduce the friction generated by rotating engine parts. Main bearings are located between the crankshaft main journals and the engine block and mating main bearing caps. Each two-piece bearing forms a circle around the crankshaft, with one half held in
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