A4 V6-3.0L (AVK) (2004)
-
Disconnect all harness connectors at fuel injectors, to do this disengage harness connectors at the bottom -arrow-
-
Disconnect vacuum hose -3- from fuel pressure regulator.
-
Unscrew fuel distributor from intake manifold (arrows).
NOTE: Fuel supply line -2- and fuel return line -1- must be disconnected before replacing fuel distributor.
CAUTION: Fuel system is under pressure. Before opening system, place rags around the connection. Then release pressure by carefully loosening
connection.
-
Remove fuel distributor with injectors from intake manifold simultaneously upward and set aside in rear of engine compartment on a clean cloth.
-
Disengage retaining clip and remove fuel injector.
Installing
Installation is reverse of removal, noting the following:
-
Remove O-rings at all opened connections.
-
Lightly lubricate O-rings with clean engine oil.
-
Make sure fuel injectors are in place and seated correctly
-
Check clip for unobstructed fitting.
-
Place fuel rail with secured fuel injectors onto intake manifold, and apply uniform pressure to press it in.
Tightening torque
Component
Nm
Fuel distributor at intake manifold 10