Posts Tagged: AC compressor failure
Car AC Black Death: What It Is and How to Fix It
How to Diagnose Car AC Black Death Before Replacing a Compressor Quick Summary Car AC black death is one of the worst failures that can happen inside an automotive air conditioning system. It occurs when the AC compressor fails internally and sends burnt oil, metal particles, Teflon debris, and sludge throughout the system. Once contamination spreads, it can clog the condenser, expansion valve, orifice tube, evaporator, and hoses. In my experience, the biggest mistake people make with car AC black death is replacing only the compressor. That almost always leads … Read More
Everything You Need to Know About AC Oil
Common AC Oil Mistakes DIYers Make Quick Summary If you take away one thing from my years of working on AC systems, it’s this: AC oil is not optional—and guessing the amount will cost you a compressor. Too little oil leads to rapid wear and failure. Too much oil kills cooling performance and can damage the system just as fast. I always use the exact oil type, measure what’s removed, and replace only what’s needed. That’s how you keep an AC system alive. Why AC Oil Matters More Than Most … Read More
AC Fully Charged But Not Cold? The Most Common Causes
How Moisture and Air Contamination Destroy AC Performance Quick Summary If your car’s AC is fully charged but not cold, adding more refrigerant is almost never the answer. In my experience diagnosing automotive air conditioning systems, the most common causes are; • Air or moisture contamination • A clogged expansion valve or orifice tube • A failing compressor • A restricted condenser • Cooling fan problems • Blend door issues inside the HVAC housing. The key is understanding that refrigerant charge is only one part of the system. A properly … Read More