Posted 1/12/2026 07:12 (#11506565 - in reply to #11506554) Subject: RE: Primary and secondary air guage on peterbilt379
johndeere1 - 1/12/2026 07:05
Cuts out at 120 and cuts in at 90? Not sure you have a problem.
How often is it cycling?
It usually releases air pressure at 130-140. I just don’t want to loose enough pressure that my air brakes lock up on me. I just want to be sure this isn’t something I should be concerned about
Primary and secondary air guage on peterbilt379
