Automotive Ac System Troubleshooting

The ac system operation ac system service and the diagnosis of a malfunctioning system.

Automotive ac system troubleshooting.

A faulty automotive air conditioner can be one of the more difficult issues to diagnose and repair. If the system pressures are too high and or too low the expansion device could. The purpose of the compressor is to pressurize the air conditioning system and circulate the refrigerant. Contamination is the main cause of failure.

Air conditioning ac system operation with txv or orifice tube. 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 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. A mechanical compressor driven by the vehicle s engine.

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. It consists of the following components. Any automotive air conditioning system employs four basic parts. The purpose of the system is to remove hot air from the inside of your vehicle.

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. To be able to service and repair an ac system read through all three articles. 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. The most likely cause of an automotive air conditioner cooling problem is no refrigerant in the system.

Once you are sure that the system can hold a vacuum for an hour you may proceed to filling the system with freon. The ac orifice tube expansion device filters and regulates the flow of refrigerant through your air conditioning system. 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. And two heat exchangers the evaporator and the condenser.

An expansion valve which is a restriction the compressor pumps against. Depending on your vehicle you may have an orifice tube or an expansion valve. Your car s air conditioning system works just like a refrigerator or your home air conditioning.