Hey, all, the 83 300SD I've been working on seems to have fuel leaking onto the top of the main screw on filter. I didn't pull the bolt when I changed the filter, but is there supposed to be a washer or seal under the top bolt? I re-tightened it, but there is still a little fuel coming from someplace and setting on top of the filter housing (head). The filter is a new one I installed, and I don't remember if was leaking when I got it or not. Can't find an exploded view of this. Does anybody have any idea what might be the cause of the leak? Thanks.

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"Knowing is not enough, we must apply.
Willing is not enough, we must do." Goethe

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1951 Chevy 3100

2003 Indian Chief Roadmaster

1983 GMC 1 ton Dually

1982 Chevy 1 ton Dually, service body (sold)

'90 GMC Suburban 6.2 "SS Veg-Burban"
(single tank WVO\diesel conversion) SOLD

'81 300D ~ Mama's car...my job (now my car)(but still my job) SOLD

'83 300sd ~ rescue car SOLD

2005 Ford Taurus (Mama's new car)(NOT my job!)