Originally Posted by
justinc
Actually, Matt has highlighted the wrong one in that pic Simon, that one at the rear of the pump is the boost compensator pressure line from the turbo outlet housing, the one YOU want is obscured below that small one. If you follow that pipe forward that is in the background slightly out of focus to where it joins the pump, you will see the bolt he is talking about it has 2 lines as part of the fitting, one from the injector bleed off tubes, the other is that one going back down to the tank.(return)
JC