audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Removing and installing fuel delivery unit > < Safety precautions when working on the fuel supply system
6-cylinder Engine (2-valve) Mechanics
Removing and installing parts of fuel supply system
Removing and installing sealing flange and sender for fuel gauge

Observe the safety instructions =>Page 20-3

Cleanliness rules =>Page 20-2

Removing

Notes:

  • ◆ Ask customer for radio anti-theft code.
  • ◆ The fuel tank should not be more than two-thirds full.
  • ‒ Disconnect battery earthing strap.
  • ‒ Remove cover for sealing flange from below boot trim.
  • ‒ Pull off connector from sealing flange.
 
A20-0045
  • ‒ → Pull off return pipe Blue and feed pipe.
  • ‒ Use special tool 3217 to open locking ring.
  • ‒ Carefully pull out sealing flange and set aside.
  • ‒ Unclip sender for fuel gauge and remove.

Installing:

  • ‒ Install in reverse order.
 
A20-0045
  • ‒ With vehicles with front wheel driveelec. cable for sender fuel gauge must be routed between return pipe and fuel tank housing.
  • ‒ In vehicles with 4 wheel drive elec. cable for sender fuel gauge must be routed between suction pump line and fuel tank housing.
  • ‒ → When installing the sealing flange ensure that both arrows point exactly towards each other.
    • ‒ Front and Quattro have one arrow each.

Removing and installing fuel delivery unit > < Safety precautions when working on the fuel supply system