Air brake system works🚗🚗🚛🚛🚛🚛🚛🚛🚛🚛🚛😧🚗🚛🚗⚒️⚒️🛠️🛠️🛠️🛠️🛠️🛠️🛠️🛠️🚛🚛🚛🚛🚗🚗🚗🚗🚗🚛🚗🚗🚗🚗🚗🚗🚗🚗🚗🚗🚗🚗🚗🚗🚗🚗🚗🚗🚗🚗🚗🚗🚗🚗🚗🚗🚗🚗🚗🚗🚗🚗🚗🚗🚗🚗🚗🚗🚗🚗🚗🚗🚗🚗🚗🚗🚗🚗🚗🚗🚗 | Mechanics And Electricity

⏱️ Air Brake Test: Pressure Loss Check Explained Learn how to properly perform the air brake applied pressure test — one of the most critical parts of your CDL pre-trip inspection. In this step, you’ll test that your air system doesn’t lose more than 4 PSI in one minute while holding the service brake. Remember: patience and precision matter here — rushing this step can cause you to fail the test. Watch carefully as we demonstrate how to: ✅ Apply the service brake correctly ✅ Start your timer an

14 reactions | How to do an air brake test? Watch this video for part 1. #cdl #cdltraining #airbrakes | Driving Academy | Facebook

Air Brake Test Pre-trip Inspection Tutorial #cdl #cdllife #cdllicense #truckdrivers | Driving Academy