Auto Air Conditioning

Auto air conditioning is now a standard inclusion in new vehicles due to the love we have for our automobiles and the comfort we expect.

Automotive air conditioners these days are quite reliable in comparison to the first models which surfaced in the 1940's and therefore an auto airconditioning repair is thankfully few and far between. Modern units are computerized climate controlled systems with variable air flow which is also ducted to the rear seat areas if required.

In the past an automotive air conditioner repair was commonly susceptible to refrigerant gas loss during winter due to the compressor seal losing its lubrication oil seal due to the inactivity of the winter months. This refrigerant (R12) was harmful to the environment and has since been replaced with a less harmful gas (R314A). Repairing auto air conditioning in older vehicles that still have the harmful gas can be retro fitted with new parts and the new R314A refrigerant.

auto air conditioning schematic The major parts of the automotive air conditioning system consist of :

Indoor evaporator - located in the front dash board area
Outdoor condenser - located in front of the car radiator
Compressor - located in the engine bay, powered by the car engine
Connecting tubes of flexible piping
Thermal expansion device - engine bay
Sight glass / accumulator - engine bay
Filter drier - to catch particles and moisture in the system
Computer / electrical controls for climate control

From the drivers point of view an automotive air conditioning system is something we only think about on hot days and when it breaks down. Considering the battering the system endures over the years it's reliability has improved with improvements being made constantly by the manufacturers. Obviously the driver isn't aware of the technology involved, we are only grateful that it exists. If the unmentionable happens and you need to repair auto air conditioning after your automotive air conditioning ceases to function then you have little option than take the vehicle to the nearest qualified and licensed technician.
The auto air conditioning system is not a simple piece of machinery and the lay person should not attempt to repair or adjust any part of it. Apart from the safety aspects, in most countries complying to the Montreal Protocol it is even illegal to work on the refrigeration system without the correct licence.

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Auto Air Conditioning

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