Auto Air Conditioning Compressor Not Cycling

This switch is located on the metal canister next to the compressor.

Auto air conditioning compressor not cycling.

Since the mid 1990s most cars equipped with air conditioning have also been outfitted with electronic modules that tell your car s ac compressor to cycle on and off. The compressor will not cycle off when the a c is on. Without the cycling switch to activate the compressor s clutch the ac system will not be pressurized correctly and the system will be unable to produce any cold air as a result. If you re here chances are you ve tried to recharge your ac system and found a compressor clutch not engaging issue.

When the switch goes bad it will no longer be able to measure pressure and will leave the clutch engaged the entire time. If your air is blowing cool but not cold the problem could be a clogged filter cooling fan problem radiator trouble or it could simply be that you need to recharge your ac. Low level of refrigerant. I turned the a c off and stopped putting r 134a into it becuase the compressor cycling was almost causing the car to die from the load it was putting on the engine.

How to manually engage ac compressor clutch. Ac compressor is an important part in the car s air conditioning system. The low pressure switch tells the car that the clutch needs to engage and disengage and will shut off the a c compressor. This is a full explanation of how the system works.

I am worried about damaging my. There are a couple of ways you can fix the problem to bring back the air conditioning system in order. What is the most common reason for an air conditioning compressor not to engage. The air conditioner compressor was rapidly cycling on and off.

If you begin to notice that the ac system is no longer functioning as it used to and you suspect that the clutch cycling switch may have a problem consider having. The only way i get it to turn off is when i turn the fan off or press the a c button. Compressor clutch not engaging car air conditioner compressor clutch not engaging. In the words of many repairmen an ac compressor is the heart of an ac system.

The most common causes of broken air conditioning are leaks or compressor issues. Having your car s air conditioning go out suddenly can ruin your day fast. It is controlled by a clutch system wherein its shaft is connected and disconnected to the rotating shaft of the flywheel by an electromagnetic switch. If so try the troubleshooting techniques described here.

Engaging the ac compressor clutch at home is not rocket science. Although it may be alarming the first time it happens at a stoplight or when you are idling at the store it is very normal.