Posts Tagged: car expansion valves

How to Test an Auto AC Expansion Valve: A Step-by-Step Guide

Learn how to test your car’s AC expansion valve If the AC in your car isn’t working properly and you’ve confirmed that the refrigearnt level is good, the problem might be a faulty expansion valve. Expansion valves fail most often due dirt and debris clogging the small orifice. Or the valve can fail due to mechanical wear. I’ll show you how to test an auto AC expansion valve. Step 1 Determine which type of car AC expansion valve is used on your vehicle — capillary tube or H-block A capillary … Read More