MackGirl352 Posted May 31, 2018 Share Posted May 31, 2018 (edited) My Mack e7 Keeps blowing unit pump 1 out. I have to keep replacing. It runs fine for a day then back out again. What’s the culprit? Edited May 31, 2018 by MackGirl352 Quote Link to comment https://www.bigmacktrucks.com/topic/53455-mack-e7/ Share on other sites More sharing options...
0 Mack Technician Posted July 7, 2018 Share Posted July 7, 2018 Are they bad or might you be misdiagnosing a bigger issue? Where are you getting your parts from? Quote Link to comment https://www.bigmacktrucks.com/topic/53455-mack-e7/#findComment-402105 Share on other sites More sharing options...
0 Moparmike Posted July 20, 2018 Share Posted July 20, 2018 I had 1 jump out of my e7 2 times come to find out the clip that holds the roller on the bottom was bent after 1400.00 to fix the first time I took it apart the 2nd and the roller fell off in my hand bent the sides in just a little no more problem in over a year.. Quote Link to comment https://www.bigmacktrucks.com/topic/53455-mack-e7/#findComment-402761 Share on other sites More sharing options...
Question
MackGirl352
My Mack e7 Keeps blowing unit pump 1 out. I have to keep replacing. It runs fine for a day then back out again. What’s the culprit?
Edited by MackGirl352Link to comment
https://www.bigmacktrucks.com/topic/53455-mack-e7/Share on other sites
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