Abnormal Noise from Magnetic Clutch

ABNORMAL NOISE SYMPTOM DIAGNOSIS OF A/C SYSTEM - MAGNETIC CLUTCH

Condition	Possible Cause	Action
A rumbling noise is heard when compressor is not in operation	Worn or damaged bearings	Replace magnet clutch assembly .
A chattering noise is heard when compressor is in operation	Faulty magnet clutch clearance (excessive clearance)	Adjust magnet clutch clearance .
	Worn magnet clutch friction surface	Replace magnet clutch assembly .
	Compressor oil leaked from shaft seal, contaminating the friction surface	Replace compressor body assembly .