audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Draining fuel tank > < Fuel tank - vehicles with four-wheel drive
Fuel tank with attached components - exploded view
   
Fuel tank with attached components - exploded view
1 - 26 Nm
2 - Heat shield for fuel tank
q   With support bracket
3 - Fuel supply line
q   Black
q   To fuel filter
q   Do not kink
q   Clip onto fuel tank
4 - Fuel return line
q   Blue
q   From fuel cooler
q   Do not kink
q   Clip onto fuel tank
5 - Electrical connector
q   For fuel system pressurisation pump -G6- and fuel gauge sender -G-
6 - Seal
q   Renew if damaged
7 - Filler cap
q   Secured to tank flap unit
8 - Earth connection
q   To eliminate electrostatic charge
q   Installation position → Fig.
q   Make sure connector is correctly seated and secure wire with flange bolt for fuel filler neck -item 9-.
q   After installation, use an ohmmeter to check the electrical connection between the metal ring on the fuel filler neck and a bare metal part on the body - Specification: approx. 0 ohms
9 - Flange bolt, 11 Nm
q   Secures fuel filler neck and earth connection -item 8-
10 - Electrical connector
q   For fuel gauge sender 2 -G169-
11 - Fuel tank
q   Removing and installing → Chapter
12 - Securing strap
q   Installation position: Fixing point (hole) points in direction of travel
13 - 26 Nm

   
Installation position of earth connection
–  Route earth connection as shown in illustration.
–  First engage contact tab -4- of earth connection in mounting hole on fuel tank -1- and then press in spacer bush -5-.
–  Ensure that connector -3- for earth connection is firmly seated on metal ring -2- on fuel filler neck.
  A20-1112
–  Secure contact tab for earth connection with securing bolt -arrow- for fuel filler neck.
  Caution
After installation, use an ohmmeter to check the electrical connection between the metal ring on the fuel filler neck and a bare metal part on the body:
Specification: approx. 0 Ohm
  A20-1072

Draining fuel tank > < Fuel tank - vehicles with four-wheel drive