The main problem is possibly due to a pressure switch or faulty relay.
Auto air conditioning compressor not engaging.
The good news is it s not.
Here we have simplified three methods of engaging an ac compressor clutch all by yourself.
When the switch goes bad it will no longer be able to measure pressure and will leave the clutch engaged the entire time.
There are a couple of ways you can fix the problem to bring back the air conditioning system in order.
Car air conditioner compressor clutch not engaging published on october 22 2015 october 22 2015 84 likes 13 comments.
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 the clutc h compressor doesn t engage there are more possibilities.
Opening a can of r134a into the system usually overrides the low pressure switch.
Low level of refrigerant.
This is a full explanation of how the system works.
Nevertheless if this does not help it might be because you are using a bad ac compressor clutch.
The low pressure switch tells the car that the clutch needs to engage and disengage and will shut off the a c compressor.
Engaging the ac compressor clutch at home is not rocket science.
If so try the troubleshooting techniques described here.
When diagnosing an air conditioning issue it s easiest to begin at the compressor.
Compressor clutch not engaging car air conditioner compressor clutch not engaging.
This switch is located on the metal canister next to the compressor.
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.
This is not the pulley but the center piece that engages the pulley to the compressor shaft.
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 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 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.
How to manually engage ac compressor clutch.
If the clutch engages but the compressor does not turn it means that you probably need a new one.
A faulty automotive air conditioner can be one of the more difficult issues to diagnose and repair.
What is the most common reason for an air conditioning compressor not to engage.