mackr1989 Posted December 21, 2017 Share Posted December 21, 2017 the air build up rate in my truck takes a long time to reach 120. is it just time for a new compressor? Quote Link to comment https://www.bigmacktrucks.com/topic/52003-air-build-up-rate-in-2000-rd-slow/ Share on other sites More sharing options...
alex g Posted December 21, 2017 Share Posted December 21, 2017 Have you checked for air leaks? Quote Link to comment https://www.bigmacktrucks.com/topic/52003-air-build-up-rate-in-2000-rd-slow/#findComment-387895 Share on other sites More sharing options...
j hancock Posted December 21, 2017 Share Posted December 21, 2017 How "long" is a long time? Time it to see how long it takes to build. Quote JimIt doesn't cost anything to pay attention. Link to comment https://www.bigmacktrucks.com/topic/52003-air-build-up-rate-in-2000-rd-slow/#findComment-387913 Share on other sites More sharing options...
Swishy Posted December 22, 2017 Share Posted December 22, 2017 Look for cracks n loose fittings Between the compressor n 1st tank the 1st tank will have a one way valve to stop go n back to compressor.... Mainly wen the governor cuts in/out..... with engine off U may not hear any leaks at the compressor n 1st tank also the above mentioned hose/pipe can get coked up with burnt oil restricting air flow with Macks U'll find bubbly n frothy water will soon find any air leaks cya §wishy Quote Link to comment https://www.bigmacktrucks.com/topic/52003-air-build-up-rate-in-2000-rd-slow/#findComment-387928 Share on other sites More sharing options...
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