I read a few threads, but none seem to describe my leak.

Have a very small amount of fuel in the back below the banjo bolt. I dried every thing up and shoved some paper towels in beside the pump, right where the bolts hold the pump to the block. The valley stayed dry, but the paper seemed wet. Pulled it out, and now the valley is wet again. Any thing common in that area? It'd almost have to be the pump??

 

Try using a mirror and see if the weep hole is dripping. It'll be on the bottom passenger side of the fuel pump. If it's dripping it's time to replace it.

 

I'll give that a go. It is so slow, I don't know if I'll actually see the drip. It doesn't seem to get enough fuel in the valley to run down the back of the block over the course of a week.

It just occurred to me. A while back I was checking MPG, and the rear tank ran dry at 1/8 on the gauge, so I ran the truck out of fuel. I had crank it to fill the bowl back up on the front tank. Then I had a pretty bad leak from the bowl lid. It was after I got that all sorted that I started noticing this small leak. I'll bet that pump didn't like drafting empty lines like that.

 

You can get it nice and dry in there then put some baby powder down to figure out exactly where that leak is coming from. There's numerous places it can leak. If you haven't done it yet you might want to look into replacing all your fuel bowl orings and fuel lines.

 

I've got powder on it now. It seems to be way behind the fuel bowl.
Couldn't find the weep hole with a mirror for the life of me.
I'll keep an eye

 

Pulled this pic online. Red arrow points to the weep hole.

 

Thanks, a little further forward than I expected based on where I see fuel, but I'll be that's it. About 30 miles so far and the powder is not definitive. It's damp, but looks like it's wicking. I need to wait a bit longer.

A bit ahead of myself, but what is the trick to getting the banjo bolt off with out pulling the turbo?

 

I ended up using a torch to bend a 1 1/4" wrench. The webbing on the turbo gets in the way but it can be done about 1/8th a turn at a time. The hardest part was getting the bolt started into the new pump. My hands were too big so I had my wife do it. The fuel pump plunger can be an issue, mine came right out but I've read that some people have had it fall into the engine. There's a trick to rotate the crank so the lobe is up and therefore pushing the plunger up, I lucked out when I did mine. Soon as I loosened the bolts holding the pump on the pressure on the plunger pushed the pump up. Make sure you get new seals for the banjo bolt as well. RiffRaff has everything you'll need.

 

New carter pump for around 60 bucks online


I just bought one since I have a messy valley and it looks old

 

I saw that, I was debating the carter vs motor craft

 

I read a thread that said it don't matter by a few top posters.

 

Good to know, thanks. Still confirming its the pump. It's a really slow leak. Anyone have any info on the cam position/plunger issue mentioned?

 

The plunger can sometimes fall out of the pump when you lift it out of the engine, make sure to be VERY careful when removing it. The same goes for reinstalling it.

I just installed the Carter pump on my rig, it's a nice quality unit. I wasn't 100% where my fuel leak was coming from (I now realize it was a few areas) so for 60$ it was a good idea to change it out.