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Finally found and fixed the leak. Earlier last week we moved the FFM and saw that it wasn't the source of the leak. We also tried to look underneath the intake with a mirror and an endoscope, but found nothing. On Thursday, I ran the engine for a bit and then pulled off the intake, and then...

Yes, that might be extra challenging here in Europe. Oh, well, still hoping the problem is with the FFM, haven't had a chance to check it yet.

Ah, I'd misunderstood the purpose of the weep hole. Yeah, plugging it would not be a good idea. Yes, the old gasket is out (or, actually, both old gaskets as I currently have the third filter in the FFM). I really hope the problem is with the FFM (especially since the new one is on its way)...

Ah, indeed it would. The weep hole is then a second suspect. I hope it can be plugged without removing (much less replacing) the IP?

Ah, moving the FFM for testing is a good idea! I think that because I'm a bit schedule constrained right now (need to get the truck inspected by the 24th), I'll order a new FFM (because I still suspect it the most, as when we pulled the intake, the FFM was the only part that was moist in...

Sigh, it is still leaking. Intended to move the car inside the garage, and it wouldn't start because it wasn't getting enough fuel due to there being air in it. Let the air out, and now it barely runs (had trouble climbing up the very slight incline into the garage), and leaks fuel, again from...

Yes, we replaced the gasket around the WiF sensor in the FFM when we were debugging the leak. I rinsed the valley with water on Monday, but soon after that, we lifted the rear of the car up in order to service the rear brakes, and had to order some new parts for that (which should hopefully...

I checked the return hoses earlier and they had no leaks. Also, the diesel was dripping down between the starter and the bellhousing, which to me would indicate it was coming down from the valley on top of the engine block.

Pretty sure it was still the filter: after driving the truck back into the garage, I noticed the bracket that is holding the wire harnesses (attached with the same bolts as the FFM) was damp with diesel, and the truck hadn't been run for a week. I changed the filter itself, and I'm pretty sure...

Yeah, just checked the prices, and I think I'll MacGyver something using a plank, some scaffolding I have (that is too narrow to fit over the car), and the electric winch in my garage ceiling. And yes, it might well be the FFM again. Though before we put it back in place, we changed the O-ring...

Dammit, the fuel leak came back when I went to the DMV. I have yet to try to see where it is, exactly, but there are drops coming down every second or two, in same place as before (between the starter and the bellhousing), implying the problem is still somewhere in the valley. Sadly, I don't...

Yes, I got proper fuel hoses to replace the 24-year-old ones. And indeed that top bell housing bolt had a stud to which I attached both brackets (the smaller one pictured above and one end of the the V-shaped one). Putting them in place was a major pain in the a$$ (or, more accurately, legs and...

This is what the small bracket looks like. Where should it go to? Edit: The more I think about it, the more I'm convinced it should be on the top engine-to-bellhousing bolt, as it is the only one that can reasonably be reached, and it would have been deattached when I removed the engine (and...

The return line runs essentially the same, except of course doesn't connect to the FFM but the thin metal line that comes from the front of the engine. The question really is where are the lines attached to? One obvious point is the V-shaped bracket, but there probably is another point too...

Hi all, Where exactly should the fuel lines be attached at the rear of the engine? My 1996 Suburban 2500K 6.5TD bent a connecting rod last year, and now that I finally got it running again, I noticed a fuel leak. In the process of debugging the fuel leak, I removed the intake and all the fuel...