This is usually due to an overheating compressor or damaged bearings. Clutch plate damage can also happen if the air gap between the pulley and clutch plate widens beyond a certain point. If they wear and become loose, the clutch will slip and fail to engage. A slipping clutch is a sign of severe wear or an increased gap between the friction plate and compressor pulley.Ĭlutch plates and pulleys are designed to fit snugly together. The most common cause of AC clutch engaging and disengaging intermittently can be a slipping clutch plate. Blockage in condenser, expansion valve or orifice tube.Loose electrical connection in compressor clutch coil.Low or high freon(refrigerant) pressure in A/C system.Causes Of A/C Clutch Engaging and Disengaging Intermittently If any liquid enters the compressor, it will damage it. The accumulator separates the liquid refrigerant from its vapors so that it does not harm the compressor. ![]() ![]() But it is designed a bit differently and is typically much larger. The function of an A/C accumulator is similar to the receiver/drier. This locks the pulley and the drive plate together. As it generates a magnetic field, it will attract the A/C clutch drive plate inward and engage with the pulley. The AC clutch has a coil that generates a magnetic field when power is distributed to it. The air conditioning compressor has an electromagnetic clutch that engages with or disengages the compressor pulley. The serpentine belt powers the AC compressor, water pump, power steering pump and other accessories. The serpentine belt runs over the crankshaft pulley. There is a belt drive supplying energy continuously from the engine crankshaft pulley to the AC compressor. How Does the Clutch System of Car AC Work? Bad Electric Connection In Compressor Clutch Coil
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