Skoda Workshop Service and Repair Manuals > Octavia Mk2 > Drive unit | 1.9/77 kW TDI PD Engine | Fuel supply, gas operation | Removing and installing parts of the fuel supply system | Removing and installing the fuel tank on vehicles with four-wheel drive (Octavia II)

Removing and installing the fuel tank on vehicles with four-wheel drive (Octavia II)

Special tools and workshop equipment required

t	Engine/gearbox jack, e.g. -V.A.G 1383 A-

Removing

Note

Observe the safety instructions before starting fitting work → Chapter.

–	Disconnect the battery-earth cable with the ignition off → Electrical System; Rep. Gr.27.

–	Drain the fuel tank.

–	Removing rear seat bench → Body Work; Rep. Gr.72.

–	Remove the cover from the fuel delivery unit and the fuel gauge sender 2 -G169-.

Note

For vehicles with auxiliary heating, the plug connection for the dosing pump -V54- must also be separated.

–	Disconnect the plug from the flange of the fuel delivery unit and from the flange of the fuel gauge sender 2 -G169--arrows-.

–	Unscrew right rear wheel → Chassis; Rep. Gr.44.

–	Remove the rear right wheelhouse liner → Body Work; Rep. Gr.66.

–	Unscrew fixing bolts on filler neck -arrows-.

–	Remove rear exhaust pipe → Chapter.

–	Remove propshaft → Gearbox; Rep. Gr.39.

–	Disconnect plug -arrow- from four-wheel drive control unit -J492-.

–	Disconnect the feed line and the return-flow line on the front right of the fuel tank.

Note

t	For vehicles with auxiliary heating, the fuel line of the dosing pump -V54- must also be separated.

t	Press in the securing rings in order to unlock the connections of the fuel lines.

–	Unscrew the straps and fixing screws. Support the fuel tank with engine/gearbox jack -V.A.G 1383 A- when removing.

–	Lower the fuel tank.

Install

–	Clip on cable from four-wheel drive control unit -J492- at the fuel tank -arrows-.

–	Support the fuel tank using the engine/gearbox jack e.g. -V.A.G 1383 A -.

–	Raise fuel tank in its installation position and install.

–	Connect plug -arrow- at four-wheel drive control unit -J492 -.

Further installation occurs in reverse order to removal. Pay attention to the following:

t	Lay the vent and fuel hoses without any kinks.

t	Do not mix-up the feed line and the return-flow line (the return-flow line is blue, the feed line is black).

t	Make sure the fuel line connections fit tightly.

t	Check feed line, return-flow line and ventilation line at fuel tank for firm seating.

t	Check earth connection of fuel tank/body at filler neck.

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