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Removing and installing fuel delivery unit > < Fuel tank with component parts - Summary of components

Octavia Mk2

Extract fuel from the fuel tank
Extract fuel from the fuel tank
Special tools and workshop equipment required
t  Hose adapter, e.g. -V.A.G 1318-16 -
t  Adapter, e.g. -V.A.G 1318-17-
t  Measuring tool set, e.g. -V.A.G 1594 C-
t  Catch pan for fuel
t  Battery
  Note
t  If there are functional problems of the fuel delivery unit suction off fuel with fuel extraction device e.g. -VAS 5190-.
t  Observe safety measures and rules for cleanliness when working on vehicles with liquefied petroleum gas system (LPG) → Chapter.
t  Observe safety measures and rules of cleanliness when working on the fuel supply → Chapter.
Work procedure
–  Switch off all electrical components and withdraw key from ignition lock.
–  Removing rear seat bench → Body Work; Rep. gr.72.
–  Remove the cover from the fuel delivery unit.
Vehicles with auxiliary heating.
–  Disconnect the plug connection of the dosing pump -V54-.
Continued for all vehicles
  WARNING
The fuel feed line is pressurized! Wear safety goggles and safety clothing, in order to avoid injuries and skin contact. Place cleaning cloths around the connection point before detaching cable connections. Reduce pressure by carefully removing the wiring.
   
–  Unplug the 5-pin connector -1- and the black feed line -2-.
  Note
Always press in the securing ring in order to unlock the lines.
  M20-0232
–  Connect the adapter -V.A.G 1318/16- and -V.A.G 1318/17- and fit the „drain pipe“ thus prepared onto the feed support of the fuel pump.
–  Hold the „drain pipe“ in a suitable fuel tank.
–  Using auxiliary cables -A- from the measuring tool set -V.A.G 1594/C- connect up the battery through contacts of the fuel pump as follows:
   Battery positive terminal (+) to contact -1- of the fuel pump
   Battery negative terminal (-) to contact -5- of the fuel pump
The fuel pump runs and suctions off fuel.
  WARNING
In order to avoid fuel overflow due to the fuel tank not being sufficiently large enough, the fuel pump must not run unattended.
  S20-0135

Removing and installing fuel delivery unit > < Fuel tank with component parts - Summary of components