Quiz: What is the purpose of a timing belt or chain in an engine? August 15, 2025 by Alex Turner What is the purpose of a timing belt or chain in an engine? Discover more about Vehicle Engine and Automobile at our home page. A) To synchronize the rotation of the crankshaft and camshaft B) To regulate the engine’s fuel injection timing C) To cool the engine by circulating coolant D) To filter impurities from the engine oil Submit Answer