Fuel filter housing leak - Dodge Cummins Diesel Forum Dec 21, 2012The fuel filter housing on my 2001 CTD is leaking slowly. I have narrowed it down to either, the drain valve or the banjo bolt seals on the pick-up line from the tank to the housing. If the banjo seals where leaking, would it be sucking air and would I have surging or fluctuating fuel pressure sympotoms? Because currently I don't.Author: Socaldiesel 2007 Dodge Cummins 5.9 Fuel Filter Housing leaking out of Jul 07, 20122007 Dodge Cummins 5.9 Fuel Filter Housing leaking out of cap shooting toward the firewall. Blew cap off once and replaced cap. Still leaking (high pressure spray) between cap and housing. Changed oring 3 times. Inspected housing closely and it is not cracked.
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