mackr1989 Posted November 28, 2018 Share Posted November 28, 2018 air pressure in 2000 rd dump is always around 95-100 psi average while driving. it will build to 120 but rarely stays around the 120 range. no noticeable air leaks found. Quote Link to comment https://www.bigmacktrucks.com/topic/54909-air-pressure-drop/ Share on other sites More sharing options...
tjc transport Posted November 28, 2018 Share Posted November 28, 2018 i would look at the governor. Quote when you are up to your armpits in alligators, it is hard to remember you only came in to drain the swamp.. Link to comment https://www.bigmacktrucks.com/topic/54909-air-pressure-drop/#findComment-410196 Share on other sites More sharing options...
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