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How to Find a Gas Leak in an Air Conditioning System

Model: (Various brands) Various

Video tutorial

To check for a refrigerant gas leak in your vehicle's air conditioning system, follow the instructions provided below. For this test, you will need a gas cylinder filled with nitrogen and a pressure gauge.

Connect this cylinder to your air conditioning system using a hose and, with a leak detector, start testing the area around the compressor, radiator, and all pipes. When the sensor detects the presence of the inert gas, it will emit a sound, allowing you to locate the leak.


Updated on 20 July 2026 by ScegliAuto


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How to open the boot if it is stuck on a Mercedes B-Class?

On the Mercedes B-Class, the boot may become stuck, possibly due to a problem with the control button or the lock actuator. In this case, perform the emergency opening by following the simple procedure shown in this tutorial. First, unlock the locks with the remote control, then open the rear doors and, by operating the indicated lever, lower the backrest of the seat. Next, go inside the boot, locate the indicated gap, and manually unlock the lock using a small screwdriver.

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