Information - Compressor air conditioning

The automobile air conditioner is a hermetic system, filled with Freon gas and special compressor oil, which is dissolved in liquid Freon. The oil is necessary in order to lubricate the compressor and certain elements of the system. The AC compressor is considered the heart of the system, a quite complex and exact mechanism that works only when the whole installation is turned on. It pumps and drives the coolant across the whole system. It drains coolant vapors from the upper part of the vaporizer, and then drives them it into the condenser. In many modern systems provided with extension tubes, the compressor is considered the only mobile element of the system.

The compressor gets affected by dirt, liquid Freon on the suction side, insufficient lubrication, excessive pressure and high temperature. When dirt penetrates into the system, the wear out of the compressor increases significantly and makes further repair impossible. This means that a new compressor would be required. Sometimes the compressor works properly, silently, without disruptions, but, for some reasons, does not pump anymore. It can operate very well, but is already leaky. Malfunctions of the cross-valve can also occur. The AC compressor is a complex mechanism, and sometimes it is advisable to buy a new one, because the replacement of pretty expensive compressor springs and the repair costs, not to mention the wasted time, will make it financially unjustified.

If you need an AC compressor, come to our online store. We offer a wide range of not only compressors, but also other spare parts for various car brands, such as ventilating blowers, acoustic parking systems, fog lamps and ignition systems.

So do not waste your time for shopping, buy the necessary items in our online store at very advantageous prices.

What you need to know about air conditioner compressor replacement: lifetime limits, common defects and their signs, tips and recommendations

Manufacturers don’t give strict recommendations concerning air conditioner compressor service life. It is replaced in case of defects. Most of all, component breakdown is caused by jamming and mechanical damages.

You can determine if there’s a need to perform air conditioner compressor diagnostics because of insufficient cooling of the car passenger compartment and absence of indicative click at air conditioner turning on. There also can be noise of the working conditioner, sometimes even at switched ignition.

You should apply to a service station for compressor diagnostics. Specialists will perform visual inspection of the component for working fluid stains. Moreover, with the help of special equipment specialists will check pressure created by the compressor.

Component replacement is performed only at a service station. It requires skills and special equipment for working with toxic cooling agent. Moreover, the procedure is rather laborious: it presupposes removal of the exhaust manifold from the engine, demounting of the freon recirculation pipes and the defective compressor. In some cases washing of coolant circuit elements can be required. As a rule, replacement of the conditioner filter-drier is performed together with compressor replacement.

Our customers ask

How to repair the air-conditioner compressor?

It is very difficult to repair the automotive compressor by your own. Replacement of sealing elements, the pulley, the coupling and the bearing should be entrusted to professionals: usually these works are accompanied with laborious dismantling and disassembling of the compressor. For refilling and replacement of oil, assembly dismantling will be also required, as well as special equipment and specific skills. Moreover, it is important to properly select a greasing material: if oil of inappropriate viscosity is used in the car compressor, the air-conditioning system components may prematurely break down. During the replacement by your own, watch a tutorial video before starting to perform works.

How to replace the air-conditioner compressor?

Before replacement of the air-conditioner compressor perform its thorough diagnostics. Sometimes, assembly defects may be removed by installing a new bearing, coupling , seal or pulley, thus restoring hermeticity of the housing or by refilling the assembly with oil.

In order to localize a problem, apply to specialists for help. In case if the compressor repair is impossible, they will perform its replacement.

It is not recommended to install a new unit by your own, if you don’t have corresponding knowledge: even simple mistakes made during installation may cause a breakdown of the air-conditioning system and not only.

How to check the air-conditioner inverter-type compressor?

In order to check the air-conditioner inverter-type compressor, firstly make sure that its coupling is operative. A coupling with the damper/limiter is installed in air-conditioner inverter-type compressors. To assess its functionality, you need to start the engine and look under the hood: if the pulley rotates, but the compressor makes no sounds, it is likely that the damper is broken. Its breakdown may be caused by defects of the air-conditioning system, excessively high coolant pressure or improper adjustment of the drive belt. In this case, it will be insufficient to simply replace the coupling. Thorough diagnostics of many car systems and probably more consistent repair may be required; it should be entrusted to specialists.

AC compressor at low cost: Top Spares

Compressor, air conditioning AYH (RIDEX, 447K0074) -23%
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  • Oil Fill Quantity [ml] 140
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