I have an air leak that I had asked about in a previous post. To follow up would it hurt anything if I charged the air system with an external compressor while I tried to pin down the leak? Thinking I...
Most times if you run the engine until the air dryer kicks off and you have full pressure, you can shut the engine off and you should have plenty of time to find a leak. Just be careful about going under the coach as the air leaks down the coach can settle and you can be severely injured or worse. Make sure it it properly supported.