audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Draining fuel tank > < Fuel tank with attached components - vehicles with front-wheel drive
Fuel tank with attached components - exploded view
   
Fuel tank with attached components - exploded view
1 - Bolt
q   Tightening torque → Rep. gr.26
2 - Mounting for exhaust system
3 - Buffer
q   Mounting components → Fig.
4 - Securing strap
q   Different lengths
q   Mounting components → Fig.
5 - Fuel supply line
q   To supplementary fuel pump -V393-
q   Do not kink
q   Clipped onto fuel tank
6 - Fuel return line
q   From fuel cooler
q   Do not kink
q   Clipped onto fuel tank
q   Press release tab on pipe connector to disconnect
7 - Fuel line
q   Only on vehicles with auxiliary heater: leading to metering pump for auxiliary heater
q   Do not kink
q   Clipped onto fuel tank
q   Press release tab on pipe connector to disconnect
8 - Overflow hose
q   Attached to bracket for bumper
9 - Rubber cup
10 - Filler cap
q   Screw down until it clicks audibly
q   Secured to tank flap unit
11 - Bolt
q   To secure fuel filler neck
q   To eliminate electrostatic charge → Fig.
q   20 Nm
12 - Fuel tank
q   Removing and installing → Chapter
13 - Heat shield for fuel tank
14 - Nut
q   2 Nm
15 - Heat shield for fuel tank
16 - Securing strap
q   Note different lengths
q   Mounting components → Fig.
17 - Nut
q   2 Nm
18 - Bolt
q   20 Nm
19 - Nut
q   2 Nm
20 - Spreader clip

   
Cover for flange on fuel tank - tightening torque
–  Tighten bolts -arrows- to 1.5 Nm.
  A20-0803
Earth connection for fuel filler neck
–  Connections -1- and -2- on filler neck must be free of corrosion to ensure proper earth connection to body.
  WARNING
Safety risk due to electrostatic discharge.
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 Ω
  A20-10422
Mounting components for securing strap
1 - Mounting for exhaust system (front left)
2 - Buffer
3 - Securing strap
4 - Spacer sleeve
5 - Bolt
  A26-10347

Draining fuel tank > < Fuel tank with attached components - vehicles with front-wheel drive