RC.600.318 12V Car Ac Compressor Parts For AA715AA U4275 Fo MAQUINA RETROESCAVADEIRA WXTK132

RC.600.318 12V Car Ac Compressor Parts For AA715AA U4275 Fo MAQUINA RETROESCAVADEIRA WXTK132

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Common Causes of Automobile A/C Compressor Failure

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1. Lack of Lubrication (Oil Starvation)

Cause: Insufficient or degraded compressor oil (PAG or ester oil) leads to increased friction and wear.

Result: Seized pistons, bearing failure, or complete compressor lock-up.

2. Refrigerant Leaks

Cause: Damaged seals, O-rings, or cracks in hoses/components allow refrigerant (R134a or R1234yf) to escape.

Result: Low refrigerant levels cause poor cooling and compressor overheating due to lack of proper circulation.

3. Contamination in the System

Cause: Dirt, metal shavings, or moisture entering the A/C system (often from improper repairs).

Result: Clogged expansion valves, damaged compressor internals, or acidic corrosion from moisture mixing with refrigerant.

4. Electrical or Clutch Failure

Cause: Faulty wiring, blown fuses, weak clutch coil, or a malfunctioning relay.

Result: The compressor clutch fails to engage, preventing the A/C from functioning.

5. Overheating & Excessive Pressure

Cause: Blocked condenser, faulty cooling fan, or overcharged refrigerant.

Result: High pressure strains the compressor, leading to seal failure or mechanical damage.

6. Improper Installation or Repair

Cause: Incorrect belt tension, wrong oil type, or air/moisture left in the system after servicing.

Result: Premature wear, noise, or sudden compressor failure.

7. Normal Wear & Tear

Cause: Aging components (seals, bearings, valves) deteriorate over time.

Result: Gradual loss of efficiency, strange noises, or complete breakdown.