The oil creates a thin film that prevents metal-to-metal contact, minimizing wear and tear and preventing the buildup of damaging deposits. Automotive ac compressor oil must be chemically compatible with the refrigerant it is paired with to prevent degradation, acid formation, or separation of the lubricant base stock.
Why Thin Oil Puts Your Automotive AC Compressor at Risk
Using an incompatible oil can cause the refrigerant to become unstable, reducing cooling efficiency and leading to corrosion within the system. Manufacturers specify exact viscosity requirements, often denoted by standards such as ISO grades or SAE ratings, to ensure optimal compatibility with the system.
Without the correct grade and quantity of oil, the intricate internal components of the compressor are subjected to increased friction, premature wear, and potential catastrophic failure. This measurement indicates the fluid's resistance to flow, and selecting the wrong viscosity can lead to significant operational issues.
Why Thin Oil Puts Your AC Compressor at Risk
As the compressor cycles on and off thousands of times during a vehicle's lifespan, these components operate under extreme pressure and temperature conditions. If the oil is too thick, it may not circulate properly, leading to inadequate lubrication and increased energy consumption as the compressor works harder.
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