When do I need to add AC compressor oil?
When do I need to add AC compressor oil? If the leak is high in your system, it could be very little, but if the leak is low or on the low pressure side of the system it could be a significant amount of oil. Another thing to consider is what type of AC compressor oil your vehicle requires. Is it OK to use mineral oil in an A / C compressor? Using the wrong oil may allow current to short circuit back through the A/C compressor, creating a shock hazard. Mineral oil should only be used in older R-12...