Most common causes of AC compressor failure Compressor failure cause #1 — lack of lubrication due to low refrigerant charge Auto AC systems rely on the refrigerant to carry refrigerant oil through the system to lubricate the compressor piston/scroll seals. When an AC system develops a leak and loses refrigerant, it also loses oil at the same time. From that point on, the system is low on oil. If you run your AC system when it’s low on refrigerant, you’re also running the compressor when it’s low on oil That … Read More
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