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.
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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. An automobile can have numerous serious problems and a dysfunctional AC compressor clutch is one of them.
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