Quiz: What is the primary function of the crankshaft in an automob May 30, 2025 by Alex Turner What is the primary function of the crankshaft in an automobile engine? Discover more about Vehicle Engine and Automobile at our home page. A) To convert linear motion into rotational motion B) To regulate the engine’s temperature C) To filter the fuel before it enters the combustion chamber D) To provide electrical power to the vehicle Submit Answer