Forum Discussion
JetAonly
Apr 21, 2016Explorer
Does that 5.9 have an engine mounted lift pump like the ISC? If so they can develop leaks due to ULSD. On the ISC there are three bolts on the top of the lift pump that you can tighten and stop the leak.
About Motorhome Group
38,706 PostsLatest Activity: Feb 01, 2025