audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Suction-jet pump: operation > < Fuel delivery unit, fuel gauge sender - vehicles with front-wheel drive and 2.5 ltr. 6-cylinder engine from 05.2002 onwards
Fuel delivery unit and fuel gauge sender - exploded view of components
   
Fuel delivery unit and fuel gauge sender - exploded view of components
1 - Fuel gauge sender -G-
q   Checking resistance values → Chapter
q   Removing and installing → Chapter
2 - Fuel delivery unit
q   Checking fuel pump (electrical test) → Chapter
q   Removing and installing → Chapter
q   Put at least 5 litres of fuel into tank after installing
3 - Seal
q   Renew
q   Install dry
4 - Fuel return pipe
q   From fuel filter and fuel cooler
q   Mark before removing
q   Press release tab on pipe connector to disconnect
q   Do not kink
q   Note direction of arrow (fuel supply or fuel return system) on flange when installing
q   Clip onto fuel tank
5 - Fuel supply pipe
q   To fuel filter
q   Mark before removing
q   Press release tab on pipe connector to disconnect
q   Do not kink
q   Note direction of arrow (fuel supply or fuel return system) on flange when installing
q   Clip onto fuel tank
6 - Electrical connector
q   For low fuel level sender -G210-
7 - Electrical connector
q   For fuel gauge sender -G-
q   For fuel system pressurisation pump -G6-
8 - Union nut, 80 Nm
q   Remove and install with union nut tool -3217-
9 - Supply pipe for suction-jet pump
q   Press release tab on pipe connector to disconnect
10 - Suction-jet pump
q   On vehicles with auxiliary heater (from approx. 02.2003 onwards) suction pipe for auxiliary heater runs along suction pipe for suction-jet pump → Fig.
q   Function → Chapter

   
Suction pipe on vehicles with auxiliary heater from approx. 02.2003 onwards
From approx. 02.2003 onwards the suction pipe -1- for the auxiliary heater is routed along the suction pipe for the suction-jet pump and is connected with the fuel delivery unit via a connection piece -2-.
  A20-1129

Suction-jet pump: operation > < Fuel delivery unit, fuel gauge sender - vehicles with front-wheel drive and 2.5 ltr. 6-cylinder engine from 05.2002 onwards