Is your MOT due and worried about the confusing language the garage uses when explaining work that needs to be done? Take a look at the below infographic which helps explain some of the key parts to your vehicle. Having a basic understanding of these parts may mean you can spot problems with your car before they get critical and save you money on expensive repairs.
The car diagram is of a generic car so the same parts in your car may be positioned in a different area depending on the make and model.
Car Parts List
The alternator is an electrical generator that converts mechanical energy to electrical energy, it works by charging up the battery to power the starter motor, ignition and all other electrical components.
The battery is rechargeable and supplies energy to the vehicles electrical system to start the engine, ignite the fuel, operate the lights, windshield wipers, heater,
air conditioner and radio.
The starter motor is used to start the vehicles engine by drawing a heavy electrical current from the battery, it is turned on by using the ignition switch to energise it.
The disc brake is a shiny metal disc located behind the hub-cap of a car’s front wheels. When the brake pedal is pressed, a pad of hard-wearing material clamps onto the brake disc slowing it down by causing friction.
The distributor is a device in the engine which passes a high voltage electrical current from the ignition coil to each spark plug in the correct order and for the right amount of time.
A spark plug ignites the (petrol) vehicles fuel and fits into the engine’s cylinder head. The plug is connected to the ignition coil which generates the high voltage needed to spark the fuel and create combustion in the engine. Diesel cars use glow plugs instead of spark plugs.
The ignition switch is the mechanism for bringing about ignition in the vehicles engine usually by switch or key. The starter system is the ignition system, battery , starter switch, starter solenoid and electric starter motor. It activates the main electrical systems for the vehicle.
The radiator is used for cooling the vehicles engine. It is part of the cooling system and works by passing hot coolant through metal fins to conduct heat away from the liquid and into the air. When the coolant is the correct temperature it pumps back into the engine.
The shock absorbers are devices that help control the movement of suspension and springs while keeping your tyres in contact with the road at all times and provide a comfortable ride.
This bonus section of the car parts explained infographic shows a diagram where common lights are positioned on the front and back of cars with their names:
Headlight (Low Beam), Headlight (High Beam), Fog Light, Indicator Light, Reverse Light, Brake Light, Indicator Light, Tail Light, Rear Reflector, Fog Light, and Registration Plate Light.
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