Cylinder Bank 1 Fuel Rail
WARNING: This page is about a different car, the 2016 Audi A7 Quattro. However, it is still accessible from the selected car via links, so may be relevant.
-- Open the clamps -arrows- and remove the air guide pipe -1-.
-- Remove the connectors -1 and 2- and the check valve -3- from the bracket.
-- Disconnect the connector -arrow- from the Fuel Pressure Regulator Valve -N276-.
-- Remove the union nut -1- on the fuel rail.
-- Remove the banjo bolt -Item 14- OVERVIEW - FUEL INJECTORS for the fuel return lines from the fuel rail.
-- Open the high pressure line union nuts -2, 3 and 4-.
-- Remove the bolts -arrows- from the fuel rail and carefully place on a clean surface.
-- Seal off all open lines and connections with clean plugs.