Kyle 537 Posted April 23, 2014 Share Posted April 23, 2014 Injector camshaft bearing bore crack, bearing spun out. Has any one ever seen this? Quote Link to comment https://www.bigmacktrucks.com/topic/35502-cummins-isx/ Share on other sites More sharing options...
brutus998 Posted April 23, 2014 Share Posted April 23, 2014 We have had a lot of troubles with ours ISX600. Ours locked completely up at around 175,000 miles. Cummins pinned the problem to international something about how the motor was sucking dirt through the motor off the firewall. After a lot of fighting International replaced the complete motor. We are awlays messing with the exhaust filter and the 7th injector bs... Quote Link to comment https://www.bigmacktrucks.com/topic/35502-cummins-isx/#findComment-243120 Share on other sites More sharing options...
BAD DOG Posted April 24, 2014 Share Posted April 24, 2014 My 09 KW W900L has an ISX 550 that the boss has spent over $10,000 to try and rectify the problem of the oil filter plugging up with soot every 2 to 3 weeks. I've picked Cummins Reps every show and Cummins dealer I've been to about it none of them can figure it out either. I think we should dig a hole and bury it. 1 Quote Link to comment https://www.bigmacktrucks.com/topic/35502-cummins-isx/#findComment-243143 Share on other sites More sharing options...
Kyle 537 Posted April 24, 2014 Author Share Posted April 24, 2014 H Quote Link to comment https://www.bigmacktrucks.com/topic/35502-cummins-isx/#findComment-243224 Share on other sites More sharing options...
jzack Posted April 27, 2014 Share Posted April 27, 2014 Try adding a centrifugal filter system. All Macks have had these for years and they work great.I think Amsoil makes an aftermarket system you can add to almost any motor. Quote Link to comment https://www.bigmacktrucks.com/topic/35502-cummins-isx/#findComment-243460 Share on other sites More sharing options...
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