Author Topic: C9 fuel filter change procedure  (Read 7267 times)

Roy C Tyler

  • Guest
Re: C9 fuel filter change procedure
« Reply #15 on: April 29, 2019, 07:37:19 PM »
And those Cummins lift pumps are expensive. I have replaced two so far.

Bill Sprague

  • Guest
Re: C9 fuel filter change procedure
« Reply #16 on: April 29, 2019, 07:56:02 PM »
I only replaced one.  It was right after the switch to ULSD and Cummins wanted the entire unit back for examination.  The mechanic wanted to just "fix" it.  It was still under warranty so didn't hurt too bad.