Posts Tagged: superheat test automotive

The Right Way to Fix Your Car’s AC System

Step-by-Step AC Diagnostic Strategy Quick Summary (Read This First) If you want to fix your car’s AC correctly, you have to stop guessing and start testing. In my experience, most failures come down to low refrigerant caused by a leak. After that, the next most common issues are airflow problems or internal restrictions—not a bad compressor, as most DIYers assume. The real key to diagnosing your car’s AC problem is understanding the system you’re working on. You need to know whether it uses an orifice tube or an expansion valve, … Read More