Car AC not cooling? In this video, we show you step by step how to identify a leaking AC line, perform professional car AC leak detection, and carry out a proper car air conditioning repair – straight from the workshop. Our workshop pros walk you through a real case: The customer reports that the car air conditioning is no longer working properly. Instead of blindly replacing parts, we start with a structured diagnosis. You’ll see how we use forming gas for precise leak detection and clearly locate the leak in the AC line. Next, we demonstrate the practical solution: AC line repair instead of full replacement. At the workbench, the damaged section is prepared, cut cleanly, deburred, and then professionally repaired using our RepAC repair system. We also point out common mistakes that happen in everyday workshop work, such as rough cuts or missing finishing steps. A critical step is the final check after the repair. We explain why a second leak detection test is essential and how to ensure the system is properly sealed. In many cases, the first leak found is not the only one. This video is designed for workshops and professionals who want to diagnose problems correctly and apply efficient, long-lasting repair solutions. If you want to understand how to find and fix a leaking AC line properly, this video gives you a clear and practical guide.
Below you’ll find more information about the products used in this video:
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RepAC
Article number: 54272015
