RC.600.028 86508521 AG518204 1999755C2 Car AC Compressor 10P15 For OREL S/CIMA For IMPORT WXUN004

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Symptoms of a Failing Automotive A/C Compressor

1. Weak or No Cooling

Symptom: Air from vents is warm or only slightly cool.

Possible Causes:

Compressor clutch not engaging due to electrical failure.

Low refrigerant (leak) causing the compressor to disengage (low-pressure switch activation).

Internal valve or mechanical failure reducing compression efficiency.

2. Unusual Noises

Symptom: Grinding, squealing, or rattling noises when A/C is on.

Possible Causes:

Worn bearings in the clutch or compressor.

Damaged internal components (pistons, swash plate).

Refrigerant starvation (lack of lubrication).

3. Clutch Not Engaging

Symptom: The compressor pulley spins freely (no click when A/C is turned on).

Possible Causes:

Faulty clutch coil or electrical issue (blown fuse, bad relay).

Low refrigerant (triggers the low-pressure safety switch).

Failed magnetic clutch assembly.

4. Leaking Refrigerant or Oil

Symptom: Visible oil stains or refrigerant leaks around the compressor.

Possible Causes:

Shaft seal failure (common in older compressors).

Cracked compressor housing or damaged O-rings.

5. Burning Smell

Symptom: A burnt rubber or electrical odor.

Possible Causes:

Slipping or seized clutch.

Overheating due to lack of lubrication (low refrigerant/oil).

6. A/C Cycling Abnormally

Symptom: Compressor turns on/off rapidly (short cycling).

Possible Causes:

Refrigerant overcharge or undercharge.

Faulty pressure switches or expansion valve.

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