Forum Discussion

SpurHntr's avatar
SpurHntr
Explorer
May 24, 2016

Primary & Secondary Fuel filter change question

Ok, yes, I read through my Newmar, Cummins and every other piece of paper in the 1567 pages of FSM handouts in my coach as well as searched exhaustively for answers on this forum that I routinely lurk...
Class A
Blaster_Man's avatar
Blaster_Man
Explorer
May 24, 2016
Executive wrote:
...I always fill my filters before installing,...


That's what I did on my ISL 400. I used a boat fuel filter to filter the fuel prior to putting it in the two spin on filters.

About Motorhome Group

38,756 PostsLatest Activity: Oct 11, 2025