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Removing and installing fuel delivery unit > < Removing and installing fuel cooler

Octavia Mk2

Removing and installing the fuel tank
Removing and installing the fuel tank
Special tools and workshop equipment required
t  Engine and gearbox jack, e.g. -V.A.G 1383 A-
Removing
  Note
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
–  Unplug connector -arrow-.
–  Remove right rear wheel → Chassis → Rep. Gr.44.
–  Open the fuel tank cap and clean around the fuel filler neck.
–  Unscrew fuel filler cap from fuel filler neck.
–  Seal the filler neck with a clean foam piece in order to avoid any foreign bodies from entering.
–  Remove the rear right wheelhouse liner → Body Work → Rep. Gr.66.
  A20-1067
–  Unscrew screws -1- for filler neck on the body.
–  Unclip the wiring loom from the holder -2- at the top and bottom of the filler neck.
–  Remove rear tunnel bridge → Chapter.
–  Slacken front double clamp at exhaust pipe and push to the rear.
–  Push out all suspensions of the middle and rear part of the exhaust system from the retaining straps.
–  Slightly lower the middle and rear part of the exhaust system and tie with wire to the body.
–  Disconnect the fuel feed line and the fuel return-flow line on the front right of the fuel tank.
  Note
t  For vehicles with auxiliary heating, the fuel line for the dosing pump -V54- must also be disconnected.
t  Press down the securing rings in order to unlock the connections of the fuel lines.
–  Unscrew tensioning strap.
–  Support fuel tank using the engine and gearbox jack -V.A.G 1383 A-.
–  Unscrew securing bolts.
–  Lower fuel tank and swivel out.
Install
Installation occurs in reverse order to removal. Pay attention to the following:
t  Lay the fuel lines avoiding any kinks.
t  Do not mix-up the fuel feed line (black) and the fuel return-flow line (blue).
t  Make sure the fuel line connections fit tightly.
t  Check fuel feed line and the fuel return-flow line at fuel tank for firm seating.
t  Check earth connection of fuel tank/body at filler neck.
  S20-0245

Removing and installing fuel delivery unit > < Removing and installing fuel cooler