Quote:
Originally Posted by greasybenz
some biodiesel will control the aeromatics issue and swell the seals keeping it from leaking. But thats of course if you have access to some biodiesel to blend.
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That just puts a band-aid over the situation at hand. The fuel lines are already in poor condition and were suspect to leaking before the switch to ULSD, the ULSD is "thinner", and it seeks out the leaks. He needs to just go ahead the replace the components that are leaking.
I don't think biodiesel would make the problem go away either, because from what I remember, don't folks who usually switch to high blends of biodiesel experience fuel leaks in old lines too, like ULSD?