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Fuel filter - Summary of components > < Removing and installing the fuel gauge sender G

Octavia Mk2

Removing and installing the fuel tank
Removing and installing the fuel tank
Special tools and workshop equipment required
t  Engine/gearbox jack, e.g. -V.A.G 1383 A-
  Note
Observe safety measures and rules for cleanliness when working on vehicles with liquefied petroleum gas system (LPG) → Chapter.
Removing
Condition
l  The fuel tank must not be more than 1/4 full.
  Note
t  Empty the fuel tank if necessary → Chapter or use fuel suction device -VAS 5190-.
t  Observe safety measures and rules of cleanliness when working on the fuel supply → Chapter.
–  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.
–  For vehicles with auxiliary heating, the plug connection for the dosing pump -V54- must also be separated.
   
–  Unplug the 5-pin plug -1- from the fuel tank.
–  Unscrew right rear wheel.
–  Remove the rear right wheelhouse liner → Body Work; Rep. gr.66.
  Note
Pay particular attention to the filler neck and the LPG line in the fuel tank lid unit on vehicles with engine identification characters CHGA.
  M20-0232
–  Unscrew screws -1- for filler neck on the body.
–  Unclip the electrical cable from the bracket -2- at the top and bottom of the filler neck.
–  Slacken front clamping sleeve at exhaust sleeve and push clamping sleeve to the rear.
–  Push out all suspensions of rear muffler from the retaining straps. The exhaust system must then be lowered slightly and tied up with a wire to the body.
  WARNING
The fuel feed line is pressurized! Place cleaning cloths around the connection point before detaching hose connections. Reduce pressure by carefully removing the hose.
  S20-0245
–  Disconnect vent line -1- (white) and feed line -2- (black) at the connection point.
  Note
t  For vehicles with auxiliary heating, the fuel line for the dosing pump -V54- must also be disconnected.
t  Press in the securing ring in order to unlock the fuel lines.
  S20-0197
–  Release fixing screws -2- and -4- and remove the tensioning strap.
–  Support fuel tank using the engine/gearbox jack -V.A.G 1383 A-.
–  Release fixing screws -1- and -3-.
–  Slightly lower the fuel tank.
  Note
t  Pay particular attention to the filler neck and the LPG line in the fuel tank lid unit on vehicles with engine identification characters CHGA.
t  The filler neck must be „extracted“ between structure and rear axle Lift down the fuel tank with a 2nd mechanic from engine/gearbox jack -V.A.G 1383 A-.
Install
Installation occurs in reverse order. Pay attention to the following:
t  Lay the vent and fuel lines without any kinks.
t  Do not mix-up the feed line and the return-flow line (the return-flow line is blue or has a blue marking, the feed line is black).
t  Make sure the line connections fit tightly.
t  After installing the fuel tank, check whether the feed, return-flow and vent lines are still clipped in place on the fuel tank.
t  Pay attention to the required measures after connecting the battery → Electrical System; Rep. gr.27.
t  Venting air from the fuel system → Chapter.
t  Interrogate fault memory, rectify any faults existing and erase the fault memory → Vehicle diagnostic tester.
–  Check if the earth lead shows traces of oxidation on both connections, remove if necessary.
  S20-0246
–  Check fitting position of the earth lead -1-.
l  The plug -1- on the metal plate ring -2- must be placed on firmly.
l  The contact tab -4- must be hung in the fuel tank -3- and secured with the spacer bush -5-.
  S20-0242

Fuel filter - Summary of components > < Removing and installing the fuel gauge sender G