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Removing and installing the sender for fuel gauge display G > < Removing and installing the fuel tank

Octavia Mk2

Removing and installing fuel delivery unit
Removing and installing fuel delivery unit
Special tools and workshop equipment required
t  Wrench for the lock ring -T30101 (3087)-
Condition
l  The fuel tank must not be more than 3/4 full.
Removing
  Note
t  If necessary, drain the fuel tank → Chapter.
t  Safety precautions when working on the fuel supply system → Chapter.
t  Observe rules for cleanliness → Chapter.
–  Switch off the ignition and pull out the ignition key.
–  Removing rear seat bench → Body Work → Rep. Gr.72.
   
–  Unclip retaining catches -arrows- of cover for the fuel delivery unit and remove cover.
  Note
For vehicles with auxiliary heating, the plug connection for the dosing pump -V54- must also be disconnected.
  A20-1206
–  Disconnect the plug as well as the black fuel feed line -2- and the blue fuel return-flow line -1- from the flange.
  Note
t  Press in securing ring in order to unlock the lines.
t  For vehicles with auxiliary heating the suction hose for the dosing pump -V54- must be pulled out additionally (open lower clamp).
  S20-0195
–  Open lock ring with the wrench -T30101-.
  Note
When removing the fuel delivery unit, ensure that the float arm of the sender for fuel gauge display -G- is not bent.
–  Pull the fuel delivery unit and the gasket ring out of the opening of the fuel tank.
  Note
You must empty the old fuel delivery unit before disposing of it if you wish to replace it.
Install
Installation occurs in reverse order to removal. Pay attention to the following:
  Note
t  Insert new dry gasket ring into the opening of the fuel tank.
t  The gasket must only be moistened from inside with fuel before assembly of the fuel delivery unit.
t  Do not bend the sender for fuel gauge display when installing it.
  S20-0160
t  Observe the fitting location of the fuel delivery unit. Marking -3- on the flange must point against the direction of travel. The fuel delivery unit can only be installed in this position.
t  Do not mix-up the fuel feed line and the fuel return-flow line.
t  Tighten the lock ring to 110 Nm.
t  Make sure the fuel lines fit tightly.
t  After installing the fuel delivery unit, check whether the fuel feed line and the fuel return-flow line are clipped in place on the fuel tank.
  S20-0336

Removing and installing the sender for fuel gauge display G > < Removing and installing the fuel tank