SEAT Workshop Service and Repair Manuals

Removing and installing fuel delivery unit t  Removing → Anchor. t  Installing → Anchor. Consult the equivalence table for tools and equipment according to applicability among Seat / VW / Audi / Skoda → Chapter. Special tools and workshop equipment required

t  Key for union nut -3217-, see equivalent → Anchor

t  Torque wrench (40 - 200 Nm) -V.A.G 1332-, see equivalent → Anchor Removing Observe safety precautions → Chapter. Observe rules for cleanliness → Chapter. l  For removing the fuel supply unit, the fuel tank should be filled to a maximum of 3/4 of its capacity. If necessary then drain the tank → Chapter.   Caution When disconnecting battery, observe safety measures → Electrical system; Rep. gr.27.

–  Disconnect battery earth cable -arrow- with ignition switched off. –  Remove the luggage compartment cover. –  If necessary, fold forward right backrest of rear seat bench.

–  Loosen the bolts -arrows- and remove the fuel delivery unit.

–  Extract the connector -arrow- from the fuel delivery unit.

–  Remove fuel return and supply lines -1- and -2-   WARNING The fuel system is pressurised. Before opening the system place a cloth around the connection. Then release pressure by carefully loosening the connection. –  Remove both the lines from the fuel pump unit. Also press the release tabs.   WARNING The fuel pump unit may be removed only with the tank at maximum 3/4 full. Otherwise a large amount of fuel will escape.

–  Unscrew union nut using union nut tool -3217-. –  Pull the fuel pump unit a little from the opening of the fuel tank and remove the oil seal. –  Press the fuel pump unit still in the fuel tank a little to the side.

–  Put in your hand and remove the injection line -1- from the valve. Press the unlocking button.   Note Fuel tank is shown in a cut-away view for illustration purposes.

–  Pull suction-jet pump -1- upwards with its supply pipe -2- connected. –  Disconnect supply pipe from suction-jet pump (press release tab). –  Remove suction-jet pump. –  Remove the fuel supply unit .   Note t  When removing fuel delivery unit, make sure you do not bend the float arm of fuel gauge sender -G-. t  Note that there is still fuel in the fuel delivery unit. Installing Reassembly is carried out in the reverse order; note the following:   Note t  Renew seal. t  When inserting fuel delivery unit, make sure you do not bend float arm of fuel gauge sender -G-. t  Ensure that fuel hose is securely connected. –  Insert fuel delivery unit in fuel tank.

–  Attach supply pipe -2- to suction-jet pump connection -1-.

–  Clip suction-jet pump -1- onto fuel delivery unit. To do so, reach into gap between flange and opening in fuel tank. l  The suction-jet pump should click into place. –  Check that suction-jet pump has engaged properly.   Note Fuel tank is shown in a cut-away view for illustration purposes. –  Mount the new gasket ring of the lock bridle (it should be dry). –  Tighten downwards the locking flange using force until leaving it in its fitting position.

l  Arrow -2- on flange must align with arrow -1- on fuel tank.

–  Tighten union nut for flange.

–  Install fuel supply pipe -1- and fuel return pipe -2- (as marked). –  Plug in connector. –  Connect battery. Take all the necessary precautionary measures when connecting the battery → Electrical system; Rep. gr.27. –  After fitting the fuel supply unit, you must fill 5 litres, at least. Tightening torque

Component	Nm
Union nut for fuel delivery unit	80