Join Date: Apr 2013
Location: Brisbane Australia
I can give 100-1 odds that it is leaking out of the top of the fuel pump!
It's a very common problem.
There is a Spigot on the top of the pump where the fuel line plugs onto, where spigot moulds into the top
of the pump is a weak spot, and it fractures. The fuel slowly leaks out the top through the fracture and then works its way down the outside of the pump, down the outside of the tank, onto the floor.
The pump is located under your rear seat.
You'll need to find a new pump or one from the wreckers. MAKE SURE IT IS ONE FOR A GT 2.0 JTS!!!!!
Most of the Alfa pumps have slight differences (top cap diameters, sealing ring sizes ect) that will screw you up.
Patty - 2004 Alfa 156 2.0JTS Sportwagon
Ruby - 2000 Alfa 156 2.0 TS Selespeed with Sports Pack
(Eibach 2.5 Lowering Springs)
(Bilstein Sports Dampers )