CDL Air Brakes Test: Applied Pressure Check Explained 📄 YouTube Description Master the CDL Air Brakes Applied Pressure Test with this clear, step-by-step walkthrough. In this video, we break down exactly what to say and do during the applied pressure test — one of the most important parts of your CDL air brake exam. You’ll learn how to: ✔️ Properly release both tractor and trailer brakes ✔️ Use a stopwatch to measure the required full 60 seconds ✔️ State the correct PSI loss limits to the exami