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 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 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 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 Share on other sites More sharing options...
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