Put the AC on MAX before checking the compressor. ![]() If only the pulley is rotating, the compressor clutch is having an issue, which could be stemming from several sources – a blown fuse, bad clutch oil, low-pressure lockout, or an open wire in the oil. Also, find out whether the clutch and the pulley are spinning. Check the front side of the clutch to examine its condition. ![]() Set all air conditioning controls to the MAX before kicking off the engine. If you want to diagnose an AC compressor clutch for defects, apply these techniques: Working method 1 In a few cases, the clutch does not engage due to a clogged refrigerant circuit. Using low-quality oil could be a reason for failing AC compressor clutch but it could happen even if you use synthetic oil and high-quality coolant. The AC compressor clutch is a small part with the same size as a silver dollar and in most cars, this part is positioned at the front of the compressor. When current flows through the coil, it will create a magnetic field, it will pull the clutch plate toward the pulley. In most cases, the AC compressor clutch is controlled by an electromagnetic coil. And when the compressor turns off, it also means that the clutch is disengaged. When the clutch is engaged, the compressor will turn on and start compressing the refrigerator. And an AC compressor clutch is a device that allows the compressor to engage and disengage from the engine. The compressor is located in the engine compartment and is belt-driven by the engine. What Is An AC Compressor Clutch?Īn air-conditioning unit in a car is made up of 5 main components: the compressor, condenser, expansion valve, evaporator, and receiver drier. Plus, you should also know how to examine the clutch to find out if it is faulty or not. Knowing how to manually engage AC compressor clutch will help you skip a visit to the mechanic. When this component does not work properly, the engine does not get the cold air flow – leading to some major complications. But, still have to get the A/C working properly though.An automobile can have numerous serious problems and a dysfunctional AC compressor clutch is one of them. Those are the days when I take the other car with A/C. We get hot spells (but not as hot as you get) with high humidity so it can feel like 90 or sometimes 100 plus, but not too often. But, got it fixed and touch wood, no problems since. When this happened, it took the battery with it. All the dashboard lights flashed off and on a few times and then everything went dark as the motor died. The last time, we were on the highway at night, pouring rain and the alternator fried. I have, over time replaced the battery a couple of times. I also find that if one of them burns out I need to change it soon or the other might burn out as well. ![]() I appreciate it!Headlights? I'm probably about the same as you, about twice a year. Thanks to everyone that has posted in this thread, and thanks Quicksilver for the info on the Ac compressor. For 10 years of solid service I can't really complain about the afore mentioned problems, but living in Arizona I have to have Ac. Beyond that everything is working great and i still get 30+ mpg on average. I'm on my 3rd water pump and the power door locks don't work on the drivers side front door. I also just had to replace the crankshaft sensor because that took a dump. Have you had any problems with blowing out headlight bulbs? I blow a headlight bulb about twice a year. It's been hella reliable for me for the past 9, but this last year I have run into some problems. I agree, I love the car, I've had mine for 10 years.
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