Starting problem

Went out to the garage to try again... I loosened the bleed nipple but bob all was coming out of it when manually (or cranking the engine with starter) using the lever on the fuel pump. I then went back through the fuel system from the end at the injectors all the way back to the pipe that goes from the fuel pump to the fuel filter. Even when I pumped this I didn't get any fuel out of the top of the pipe!

Eventually I took off the connector that goes from the fuel tank to the fuel pump and nothing came out even when hung on the floor (below the fuel tank). I sucked this through to get rid of the airlock (which I don't know how got there so far back in the system anyway) and then re-attached the pipe to the fuel pump. When the pump is manually pumped then I can hear it trying but I don't think the connector is sealing as nothing is pumped through and if I put my fingers around it I can feel/hear air escaping from it. All I can think to try now is to get a new pipe/connector that goes from the fuel tank into the fuel pump (presume a dealer only part?) and see what happens then...