Re: Air conditioner compressor clutch went out twice
The air conditioner turns on even when you don't use it. Like anytime you have your defrost on, it helps dry the air inside of your vehcile. So by letting the leak continue the clutch turns on then off on then off over and over instead of just kicking in and staying on. Yes, if you don not fix the problem it will continue. I wish I had better news for you.
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Someone will need to find out if the compressor clutch is failing, or if it is loosing power due to a pressure switch or other problem. A faulty relay or switch could get hot and switch off power to the compressor.
The system may be low on refrigerant, due to a leak, or possibly has a faulty low pressure sensor. If it cycles quickly, I would be lloking for a leak. If it only works randomly, but blows cold when working, possible low pressure switch issue. either way, the system should be checked with a qualified repair shop.
Check for a fuse that indicates radio and replace it if it's burnt through or melted or discolored. The Buicks have dash controls that require expensive repairs sometimes to get the temperature controls to work so some people jump around the controls by installing a separate toggle switch that directly turns the AC unit off and on for 92 through 94 Buicks. Any AC shop can install the bypass wires.
There are a few possibilities. Blown fuse to the compressor clutch, bad clutch, seized compressor, broken belt, low system pressure, or a rock through the coils in front of the radiator causing a leak. Take it to a reputable mechanic for repairs.
Yes the system can be full of freon and yet not work, the pressure switch could faulty, the expansion valve too could be faulty, he drier receiver too.
On switching 'on' the AC , is the AC compressor workingor rather does it engage?
The AC compressor clutch too could be not functioning.
I guess you have to go step by step to check first if the AC compressor does rotate on switching 'on' the AC.