The Automobile

Front 1

Automobile

Back 1

Derived from the Greek word "autos", which means self, and the French word "mobile" which means moving

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Technology

Back 2

The application of math, science, physics, and other subjects.

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Part

Back 3

Smallest removable item on a car

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Component

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Frequently used when referring to an electrical or electronic part

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Assembly

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A set of fitted parts designed to complete a function

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System

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A group of related parts and assemblies that perform a specific function, job, or task

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Frame

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Strong metal structure that provides a mounting place for the other parts of the vehicle

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Body

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A steel, aluminum, fiberglass, plastic, or composite skin forming the outside off the vehicle

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Chassis

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Often used when referring to a vehicle's frame and everything mounted to it except the body, tires, wheels, engine, transmission, drive axel assembly, and frame

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Body-over-frame construction

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This frame consists of thick steel members, the chassis parts and the body bolt to this frame,used on full-size cars, vans, pickup trucks, and SUVs

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Unibody construction

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Sheet metal body panels are welded together to form the body and frame,used to build small and medium passenger cars

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Engine

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Provides the energy to propel the vehicle and operate the other systems.

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Block

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Metal casting that holds all the other engine parts in place

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Cylinder

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A round hole bored (machined) in the block it guides piston movement

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Piston

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A cylindrical component that transfers the energy of combustion to the connecting rod

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Rings

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These seal the gap around the sides of the piston. They keep combustion pressure and oil from leaking between the piston and the cylinder wall.

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Connecting rod

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Links the piston to the crankshaft

Front 18

Crankshaft

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Changes the reciprocating (up and down) motion of the piston and rod into useful rotary (spinning) motion

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Cylinder head

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Covers and seals the top of the cylinder. It also holds the valves, rocker arms, and often, the camshaft

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Combustion chamber

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Small cavity (hollow area) between the top of the piston and the bottom of the cylinder head. Where the burning of the air-fuel mixture occurs.

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Valves

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Open and close to control the flow of the air-fuel mixture into the combustion chamber and the exhaust gases out of the combustion chamber.

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Camshaft

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Controls the opening of the valves

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Valve springs

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Keep the valves closed when they do not need to be open

Front 24

Rocker arms

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Transfer camshaft action to the valves

Front 25

Lifters / followers

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Ride on the camshaft and transfer motion to the other parts of the valve train

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Flywheel

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Helps keep the crankshaft turning smoothly. It also provides a large gear for the starting motor

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Multi cylinder engines

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This term means the engine has more than one pistol and cylinder

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Computer system

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Uses the electronic and electrical devices to monitor and control various systems in the vehicle, including the fuel, ignition, drivetrain, safety and security systems

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Fuel system

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This system must provide the correct mixture of air and fuel for efficient combustion

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Air fuel ratio

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The percentage of air and fuel

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Gasoline injection system

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Uses a control module, sensors, and electrically operated fuel injectors to meter fuel into the engine

Front 32

Diesel fuel system

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Primarily a mechanical system that forces diesel fuel directly into the combustion chambers

Front 33

Carburetor fuel system

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Uses engine vacuum to draw fuel into the engine

Front 34

Ignition system

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Needed on gasoline engines to ignite the air/fuel mixture

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Starting system

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It has a powerful Electric starting motor that rotate the engine crankshaft until the engine "fires" and runs on its own power

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Charging system

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Needed to replace electrical energy drawn from the battery during starting system operation

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Lighting system

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Consist of the components that operate a vehicle's interior and exterior lights

Front 38

Cooling system

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Maintains a constant engine operating temperature

Front 39

Lubrication system

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Reduces friction and wear between internal engine parts by circulating filtered engine oil to high friction points in the engine

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Exhaust system

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Quiet the noise produced during engine operation and routes engine exhaust gases to the rear of the vehicle body

Front 41

Emission control system

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Used to reduce the amount of toxic substances produced by an engine

Front 42

Drive train

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Transfers turning force from the engine crankshaft to the drive wheels

Front 43

Suspension system

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Allows the vehicle's wheels and tires to move up and down with little effect on body movement

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Steering system

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Allows the driver to control vehicle direction by turning the wheels right or left

Front 45

Brake system

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Produces friction to slow or stop the vehicle

Front 46

Accessory system

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Includes the air conditioner, sound system, power seats, power windows, and rear window defogger

Front 47

Safety systems

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Includes seatbelts, airbags, and security systems