King

Most modern cars have brakes on all four wheels, operated by a hydraulic system . The brakes may be disc type or drum type. Read more

To make an engine start it must be turned at some speed, so that it sucks fuel and air into the cylinders , and compresses it. Read more

A car engine produces a lot of heat when it is running, and must be cooled continuously to avoid engine damage. Read more

Modern cars are designed to have a constant through-flow of fresh air that keeps the interior atmosphere pleasant even with all the windows shut. The incoming air can be heated by the engine to keep the windows clear of mist and the car interior at a chosen temperature. Read more

The electrical system of a car is a closed circuit with an independent power source the battery . It operates on a small fraction of the power of a household circuit. Read more

A car engine burns a mixture of petrol and air. Petrol is pumped along a pipe from the tank and mixed with air in the carburettor , from which the engine sucks in the mixture. Read more

A carburettor mixes fuel and air in the proportions and quantity the engine needs at any time. Read more

The steering system converts the rotation of the steering wheel into a swivelling movement of the road wheels in such a way that the steering-wheel rim turns a long way to move the road wheels a short way. Read more

There are various ways of attaching the wheels of the car so that they can move up and down on their springs and dampers , and do so with as little change as possible in the distance between adjacent wheels or in the near-vertical angle of the tyres to the road. Read more

If you have tightened the brake shoes so that there is no excess travel before they come on, yet the handbrake lever still pulls up a long way, the cable has probably stretched and must be adjusted. Read more