How Each Part of a Car Engine Works
The Engine Block
The engine block is the main structural component of the engine. It houses the cylinders, pistons, crankshaft, and other moving parts. The engine block is made of cast iron or aluminum and is designed to withstand the high pressures and temperatures generated by the combustion process.
The Cylinder Head
The cylinder head is located on top of the engine block and forms the combustion chamber. It contains the valves that control the flow of air and fuel into and out of the cylinders. The cylinder head is made of aluminum or cast iron and is designed to dissipate heat quickly.
The Pistons
The pistons are cylindrical-shaped components that move up and down inside the cylinders. They are connected to the crankshaft by connecting rods. The pistons compress the air and fuel mixture in the cylinders, creating the pressure that drives the crankshaft.
The Crankshaft
The crankshaft is a rotating shaft that converts the reciprocating motion of the pistons into rotational motion. It is supported by bearings and is connected to the flywheel.
The Flywheel
The flywheel is a heavy wheel that is attached to the crankshaft. It helps to smooth out the rotation of the crankshaft and provides inertia, which helps to keep the engine running smoothly.
The Camshaft
The camshaft is a shaft that controls the opening and closing of the valves. It is driven by the crankshaft and rotates at half the speed of the crankshaft.
The Valve Train
The valve train is a system of components that includes the camshaft, valves, and springs. It is responsible for controlling the flow of air and fuel into and out of the cylinders.
The Intake System
The intake system is a series of components that deliver air and fuel to the cylinders. It includes the air filter, throttle body, and intake manifold.
The Exhaust System
The exhaust system is a series of components that remove exhaust gases from the cylinders. It includes the exhaust manifold, catalytic converter, and muffler.
The Lubrication System
The lubrication system is a series of components that lubricate the moving parts of the engine. It includes the oil pump, oil filter, and oil pan.
The Cooling System
The cooling system is a series of components that circulate coolant through the engine to prevent it from overheating. It includes the water pump, radiator, and thermostat.
The Fuel System
The fuel system is a series of components that deliver fuel to the engine. It includes the fuel tank, fuel pump, fuel filter, and fuel injectors.
The Electrical System
The electrical system is a series of components that provide electrical power to the engine. It includes the battery, starter motor, alternator, and wiring.
The Engine Control Module
The engine control module (ECM) is a computer that controls the operation of the engine. It receives data from sensors throughout the engine and uses this data to adjust the fuel mixture, ignition timing, and other engine parameters.
