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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
dons2346's avatar
dons2346
Explorer
May 24, 2016
You should have a shut off valve so you can shut off fuel to the filters. Turn it off and remove the filters one at a time and replace. Turn on the fuel valve and use the ignition to prime the filters. Do this 6-10 times, do not engage the starter. If it doesn't start, then repeat the 6-10 times prime.

Works for me with a ISC

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