How Cars Work

Cars are very hard machines and all systems in them work combine. They power a vehicle, control and steer it and make it relax for people to drive in.

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The engine

The heart of every vehicle is its engine. It generates the power that turns the wheels and electivity for lights and other systems.

Most automobiles are run by an internal combustion engine. Fuel, generally petrol or gasoline, is burned with air to make gases that expand. A park plug makes a spark that ignites the gas and makes it burn. This power moves via cylinder in which pistons slide down and up. They are linked to rods that move a crankshaft. General vehicle engines have 4 to 6 cylinders but there are also models with 8 and 16 cylinders. The turning movement is passed via the drivetrain to the drive wheels.

Brake system

The brake system slows down and prevents the vehicles. Brakes operate on all 4 wheels. There are 2 basic kinds of brakes: disc and drum brakes. In both cases a rubbing pad is pressed against a disc or drum with the support of a hydraulic structure.

All vehicles have urgent situation hand brakes which you use if the hydraulic system downs. It is also known as parking brake because you use it to prevent a vehicle from rolling down a hill. ABS keeps the wheel changing when you step on the brakes. This PC controlled system stops skidding if you are an on slippery road.

Fuel system

The fuel pumps petrol from the tank to the car engine. Older vehicles used to have carburetors that combine fuel with air and send the gas to the engine. Vehicles have a unique fuel insertion system that sends out petrol into the engine. Latest vehicles have turbo chargers that suck in additional air and so produce more power.

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Suspensions system

The suspension system helps the weight of the vehicle. It has axles, wheels, springs and tires. Most vehicles have shock absorbers to promise a perfect ride. Springs are between the axles of the wheel and the body of the vehicle. They permit each wheel to move down and up on its own. The tires also support to make driving smoother. They build so that they provide the vehicle grip on roads in all situations.


The dashboard has many tools that present you how quick you are moving, the petrol amount that is left in the tank, the oil temperature and some other detail.

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