Over time the air conditioning gases in your car will escape from the AC or Climate Control system. This is because car air conditioning systems are designed to leak. Car engines vibrate, piping moves and the rubber rings expand and contract allowing leakage.
This leakage can be caused when the air-con is not used during the winter months, thus allowing the small “O”ring seals to dry out resulting in a gradual deterioration in air-con performance. If this continues, eventually the system will not be able to function at all.
Most problems of this type can be put right fairly easily by having a leak check of your system followed by a complete evacuation and refill of your refrigerant, often referred to as a “re-gas”.
Radiators are heat exchangers used for cooling internal combustion engines, mainly in automobiles but also in piston-engine aircraft, railway locomotives, motorcycles, stationary generating plant or any similar use of such an engine.
Internal combustion engines are often cooled by circulating a liquid called engine coolant through the engine block, where it is heated, then through a radiator where it loses heat to the atmosphere, and then returned to the engine. Engine coolant is usually water-based but may also be oil. It is common to employ a water pump to force the engine coolant to circulate, and also for an axial fan to force air through the radiator.
The main important components of a car cooling system are: Radiator with pressurised cap, Overflow bottle, Thermostat, Cooling fan.
Coolant is a mixture of water and chemicals designed to prevent corrosion inside the engine. If you’re driving in cold conditions, you may need to add anti-freeze to the cooling system. Always follow the vehicle manufacturer’s directions when using anti-freeze and coolant.
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