Fuel Leak Somewhere.

[Dycrow27]

I have a black runny diesel fuel leak coming from pass. side of block all the way down and out inspection plate on tranny. Sometimes it runs down the tranny cooling line and i have no clue where its coming from. The back 2 cylinders on pass side are wet below valve covers but i tightened them up and hasn.t gotten any worse but still have bad leak. What could it be?

[drinkypoo]

return line

[Dycrow27]

wheres it connected? to the last injector?
and how long is it?

[drinkypoo]

Follow back those lines that go from injector to injector, you'll find it at the back of the motor. I'm not sure precisely how it routes but it goes back to the tank selector valve.

[nbkr341]

Push down on all of the return lines and see if one doesn't squirt fuel out.