Auto Air Conditioning Compressor Not Engaging

Opening a can of r134a into the system usually overrides the low pressure switch.

Auto air conditioning compressor not engaging.

When the switch goes bad it will no longer be able to measure pressure and will leave the clutch engaged the entire time. If the clutc h compressor doesn t engage there are more possibilities. Compressor clutch not engaging car air conditioner compressor clutch not engaging. If the clutch engages but the compressor does not turn it means that you probably need a new one.

This is a full explanation of how the system works. The main problem is possibly due to a pressure switch or faulty relay. How to manually engage ac compressor clutch. If the air conditioning compressor on a late model car does not engage the system is probably low on refrigerant and the low pressure switch prevents the compressor from turning on.

If you re here chances are you ve tried to recharge your ac system and found a compressor clutch not engaging issue. The low pressure switch tells the car that the clutch needs to engage and disengage and will shut off the a c compressor. Nevertheless if this does not help it might be because you are using a bad ac compressor clutch. This switch is located on the metal canister next to the compressor.

This is not the pulley but the center piece that engages the pulley to the compressor shaft. Low level of refrigerant. Car air conditioner compressor clutch not engaging published on october 22 2015 october 22 2015 84 likes 13 comments. The good news is it s not.

The clutch compressor is an integral part of the ac system of your car rendering this inoperable is a big inconvenience for the car s passengers. Here we have simplified three methods of engaging an ac compressor clutch all by yourself. But sure you can t use your car s air conditioning system when this happens. This problem goes away by simply adding refrigerant.

It would be lucky if the ac could blow cool air and the compressor could engage. If so try the troubleshooting techniques described here. A faulty automotive air conditioner can be one of the more difficult issues to diagnose and repair. There are a couple of ways you can fix the problem to bring back the air conditioning system in order.

With the engine running turn the a c on max cool set fans high and make sure that the clutch is engaging on the compressor. What is the most common reason for an air conditioning compressor not to engage. With all the automotive jargons we ve discussed earlier you might think that learning how to manually engage the ac compressor clutch is true rocket science.