Is it normal for trucks to leak air sometimes other than when applying the break? I have a 2022 Perterbilt 579 and when I’m driving, the air pressure drop a little bit, like it be at 127psi, then dropped to about 113-114psi in about 3-5 minutes then the air compressor kicks in and bring it back up thus this routine continues. Is it the trailer’s tires that’s doing that? I did go to a Love’s and they found one of the auto-inflator hose wasn’t tight enough on the trailer and they were going…
