Auto Air Conditioning Compressor Not Engaging

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.

Auto air conditioning compressor not engaging.

When diagnosing an air conditioning issue it s easiest to begin at the compressor. Nevertheless if this does not help it might be because you are using a bad ac compressor clutch. But sure you can t use your car s air conditioning system when this happens. 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.

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 low pressure switch tells the car that the clutch needs to engage and disengage and will shut off the a c compressor. Here we have simplified three methods of engaging an ac compressor clutch all by yourself. What is the most common reason for an air conditioning compressor not to engage.

The good news is it s not. Car air conditioner compressor clutch not engaging published on october 22 2015 october 22 2015 84 likes 13 comments. Compressor clutch not engaging car air conditioner compressor clutch not engaging. Engaging the ac compressor clutch at home is not rocket science.

This switch is located on the metal canister next to the compressor. 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. If so try the troubleshooting techniques described here. If the clutc h compressor doesn t engage there are more possibilities.

If you re here chances are you ve tried to recharge your ac system and found a compressor clutch not engaging issue. This is not the pulley but the center piece that engages the pulley to the compressor shaft. Low level of refrigerant. There are a couple of ways you can fix the problem to bring back the air conditioning system in order.

The main problem is possibly due to a pressure switch or faulty relay. If the clutch engages but the compressor does not turn it means that you probably need a new one. 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. Opening a can of r134a into the system usually overrides the low pressure switch.

This problem goes away by simply adding refrigerant. When the switch goes bad it will no longer be able to measure pressure and will leave the clutch engaged the entire time. How to manually engage ac compressor clutch.