Tel: 011 660 8834 | Email: service@toyo.co.za | 16 President Street, Krugersdorp
The oil in one’s engine can become filled with sludge deposits (due to different types of residue created by the overall engine combustion). In the most extreme case, the sludge in an engine can become thick enough to block the passages and cause an engine failure. What an engine flush (or, to be more specific, an engine oil flush) does is it literally flushes all the sludge out of your engine and replaces it with new, clean oil.
A starter motor is a very powerful DC electric motor with a solenoid attached to it. It is connected to the car battery so that it can acquire a high enough current in order to crank the engine and start it. The solenoid acts as a switch which, when activated, allows a closed connection between the battery and the starter motor.
An alternator is used in a motor vehicle to charge the battery and power the electrical system of the vehicle while the engine is running. It generates electricity in the same way that a DC generator does: when the magnetic field around the conductor changes, a current is created in the conductor.
This device blends the air and fuel which enters a vehicle’s engine. It consists of an open pipe through which the air passes into the inlet manifold and fuel is brought into this air flow by small holes in the pipe. The flow of fuel is controlled by calibrated jets in these orifices which are affected by how much the accelerator pedal is depressed.
Surprisingly enough, petrol engines are not very efficient in converting chemical energy into mechanical power. 70% of the energy in petroleum fuel is converted into heat and therefore, a vehicle’s engine needs a cooling system to control this. An engine runs at its best when the coolant is about 93 degrees Celsius. At this temperature, the engine is hot enough to allow the oil to flow freely, to allow the fuel to vaporize easily and to minimize metal wear. It is also not too hot to cause engine burnout.
Over time, the coolant and antifreeze chemicals in an engine (used to prevent the engine from overheating) deteriorate under usage. This causes them to lose their resistance to freezing and boiling. Also, engines contain quite a number of parts in the cooling system that rust. This, along with other components corroding, can cause the system to become clogged over time. In extreme cases, a cooling system blockage can occur. To prevent this, a cooling system flush is recommended; it flushes all the old chemicals out of your car’s engine and cleans it of any particles that have built up due to corrosion.
Whether your engine is idling or performing at its full capacity, the fact remains that it contains a host of moving metal parts which would, were it not for some form of lubrication, violently overheat. This is why there is an oil pump which directs oil to all the metal-contacting surfaces in the engine. The oil pump uses a high pressure system to draw oil from the oil pan and submit it through several passages in the engine to specific parts.
This is a pump which is driven by the cam belt and which circulates water whenever the engine is running. The water is continuously drawn from the centre of the pump (which is where the inlet is) by the pump vanes which fling the water outside the pump, where it can then enter the engine. After flowing through the engine, the water is transmitted to the radiator and finally back to the input of the water pump.
The spark plug fits into the cylinder head of an engine and ignites the compressed petrol by means of an electric spark when the car is started. Diesel cars do not use spark plugs to induce engine combustion. A diesel car uses a glow plug to raise the temperature of the air to a point where the diesel fuel combusts spontaneously.
Also known as the timing belt, it controls the timing of the engine valves. Cam belts replaced the older style timing chains; however, certain car manufacturers have reverted back to timing chains due to their durability. The cam belt connects the crank shaft, which controls the pistons of the engine, to the camshaft, which controls the opening and closing of the engine’s valves. A cam belt is typically made of rubber and high-tensile fibers (made of fiberglass or Kevlar) which act to withhold tension. The cam belt must be replaced at the car manufacturer’s scheduled time/distance intervals; otherwise a complete breakdown or engine failure could occur (which would cost much more to repair than a timing belt replacement).
This part of the engine is rotated by the timing/cam belt and is connected to the pistons of an engine through crank pins which allow its rotation to be translated into the linear piston motion. This part of the engine is rotated by the timing/cam belt and its job is to open the valves which control the air/fuel intake and exhaust of the engine. The relationship between the camshaft and crank shaft rotations is of critical importance because of the fact that the valves need to be opened at the appropriate time during the piston stroke. The timing belt is responsible for this vital synchronization.
16 President StreetKrugersdorp1739NavigateTel: +27 11 660 8834/7Fax: +27 86 275 0554Email: hello@toyo.co.za service@toyo.co.za finance@toyo.co.za
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