Hi,

On 617 engines, to replace the secondary filter, you loosen the bolt and spin off. Fill with fluid of your choice (or not), prime a little or a lot depending upon how much you filled it, then crank until you get it to fire.

Some instructions state to crack the bolt attached to the filter a bit, and pump until no bubbles come out with the fluid coming from around the bolt.

My issue is that the times Ive tried this, more fuel comes out of the seal area where the filter touches the mount than from the bolt area. Does this mean that somehow the spin-on filter isnt arranged correctly or somehow it is not installed exactly right?

In reality is there any reason to waste that fuel? The air would just go out the cigar hose anyway, right?

Is it possible to tighten the bolt down too much? Is there a torque spec for it?

Thanks!

__________________
Current Diesels:
1981 240D (73K)
1982 300CD (169k)
1985 190D (169k)
1991 350SD (116k)
1991 350SD (206k)
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Past Diesels:
1983 300D (228K), 1985 300D (233K), 1993 300D 2.5T (338k), 1993 300SD (291k)