Automotive Ac System Troubleshooting

The most likely cause of an automotive air conditioner cooling problem is no refrigerant in the system.

Automotive ac system troubleshooting.

The ac orifice tube expansion device filters and regulates the flow of refrigerant through your air conditioning system. Contamination is the main cause of failure. If the refrigerant level is low it usually means it was either undercharged at installation or it has a leak. If your car ran on freon r 12 from the factory and you have the means to purchases it you can use r 12 or freeze 12 to get maximum performance.

And two heat exchangers the evaporator and the condenser. Any automotive air conditioning system employs four basic parts. Air conditioning is now a standard feature in most vehicle manufacturing. To be able to service and repair an ac system read through all three articles.

Your car s air conditioning system works just like a refrigerator or your home air conditioning. The purpose of the compressor is to pressurize the air conditioning system and circulate the refrigerant. Depending on your vehicle you may have an orifice tube or an expansion valve. The ac system operation ac system service and the diagnosis of a malfunctioning system.

A mechanical compressor driven by the vehicle s engine. If your car s air conditioner isn t blowing cold air the first thing you should look for are signs of leaking or an a c compressor that does not engage. Once you are sure that the system can hold a vacuum for an hour you may proceed to filling the system with freon. Unfortunately if a leak has been affecting your cold air for a while moisture will most likely have entered your a c system and may have damaged other vital and expensive parts.

When an a c system develops a leak you have what s called an open system if you or your technician discovers the leak early your repair will be less expensive. Air conditioning ac system operation with txv or orifice tube. If the refrigerant has escaped past a leaky compressor or o ring seal leaked out of a pinhole in the evaporator or condenser or seeped out through a leaky hose the leak needs to be identified and repaired before the system is recharged. Air conditioner problems are not cool low refrigerant equals low efficiency while air conditioning troubleshooting uncovers an under performing unit that can be the result of low refrigerant.

If the system pressures are too high and or too low the expansion device could. However when you take your vehicle for a routine repair or checkup the priority is usually the engine and other essential aspects of the vehicle consequently car owners often overlook developing issues that can impact their car air conditioner and wind up paying heavy fees to get the ac fixed or replaced. It consists of the following components.