Table of contents: Removal ↓ Installation ↓
Removal
When removing the fuel level indicator sensor, the tank can be filled to a maximum of 3/4. If necessary, remove fuel from the fuel tank.

Fold back or remove the rear bench seat. Fold back the trim under the rear seat. Rotate the fuel level indicator sensor cover in the direction of the arrow and remove the cover.

Disconnect the electrical plug connection "arrow" on the blind flange.

Mark the supply "1" and return "2" fuel lines. Remove both lines from the blind flange by pressing the release buttons.
A/m with additional heater
Disconnect the fuel line leading to the auxiliary heater metering pump.

All cars
Unscrew the union nut using the union nut wrench "3217". Remove the fuel level indicator sensor with the fuel pumping unit and sealing ring from the fuel tank opening.
Instructions. When removing the fuel pumping unit, make sure that the float lever of the fuel level indicator sensor "G" is not bent. Note that there is still fuel in the fuel pumping unit. Before disconnecting the plug connections of the fuel level indicator sensor "G", you must first unlock the locking tabs of the plug contact.

Unlock the locking tabs of the plug connections "1" and "2" and remove them. Using a screwdriver, lift the mounting plates "3" and "4" and remove the fuel level indicator sensor "G" in the downward direction "arrow".
Installation
Installation in reverse order. In this case, replace the sealing cuff. When installing the fuel pumping module, make sure not to bend the float lever of the fuel level sensor. Insert the fuel level indicator sensor "G" into the guides on the fuel pumping unit and press it up until it clicks. Connect the plug connections and check the reliability of their fastening.

Dry-fit a new sealing ring to the blind flange. Insert the fuel pump module into the fuel tank. Overcoming the resistance of the spring, press the blind flange down and bring it to the installation position. Arrow "2" on the blind flange must match arrow "1" on the fuel tank.

Tighten the union nut using the union nut wrench "3217".

Connect the fuel lines: Blue fuel return line "2" at the connection marked "R". Black fuel supply line "1" at the connection marked "V". Tightening torque: Fuel suction module union nut: 80 Nm.
This publication is borrowed from the resource Audimanual.ru
