Posts Tagged: expansion valve failure
Learn the Symptoms of a Bad AC Expansion Valve
Top Bad Expansion Valve Symptoms Explained Quick Summary (What You Need to Know Fast) In my experience, a bad car AC expansion valve is one of the most overlooked causes of AC problems. The most common bad expansion valve symptoms include weak cooling, frost buildup, erratic temperatures, abnormal pressure readings, and hissing noises. The only real fix is replacement—but proper diagnosis is critical to avoid wasting money. Why the Car AC Expansion Valve Is So Important I’ve diagnosed hundreds of AC systems over the years, and one thing I can … Read More
10 Reasons Your Car AC Isn’t Blowing Cold After a Recharge
The Most Common Reasons an AC Isn’t Blowing Cold After a Recharge Quick Summary If your AC isn’t blowing cold after a recharge, don’t assume you need more refrigerant. In my experience as an automotive technician, the most common causes are; • An incorrect refrigerant charge • A refrigerant leak • A failing compressor • A clogged expansion valve or orifice tube • Blend door problems • Cooling fan failures • Electrical faults. The key is to diagnose the root cause rather than repeatedly adding refrigerant. In this article, I’ll … Read More