Fuel pump, removing and installing: All:
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2004 Audi A6, 2003 Audi S6, 2003 Audi A6, 2002 Audi S6, and 2002 Audi A6. However, it is still accessible from the selected car via links, so may be relevant.
- Push forward the left 1/3 backrest of rear seat, if necessary.
- Remove cover for connector flange (arrows).
- Carefully release and disconnect electrical harness connector (arrow).
- Use Wrench 2012 A to remove union nut.
- Pull fuel level sensor 3 and seal carefully out of fuel tank opening.
- Using fuel siphoning device VAS 5190, siphon remaining fuel out of left and right fuel tank chambers through the sensor opening.
- Remove rear seat bench.
- Remove cover for right connector flange (arrows).
- Carefully release and disconnect electrical harness connector (arrow).
CAUTION: Fuel system is under pressure! Before opening system, place rags around the connection area. Then release pressure by carefully loosening connection.
- Mark fuel supply line -1- and fuel return line -2- and disconnect from connector flange (right side of vehicle).
- Use 3087 wrench to remove locking ring.
- Pull connector flange and sealing ring from opening of fuel tank.
- Disconnect both harness connectors -1- and -2- to fuel gauge on inside of connector flange.
- Unclip union piece -1- at lower part of baffle housing, to do so, carefully press union piece toward left side of vehicle and lift upward (arrow).NOTE: Baffle housing is shown without fuel tank for the sake of illustration.
- Disconnect fuel return line -2- from union piece...
- ... to do so, release hose coupling of return line using Release Tool T40020.
- Insert fuel pump wrench 3307 through fuel tank opening and position on inner part of baffle housing.
- Rotate inner part of baffle housing with pump toward left approx. 15 ° to stop.
- Notch -1- aligns with marking -2- (bayonet connection)
- Remove Fuel Pump (FP) with inner part of baffle housing.