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  Spanner -3217-, see equivalent → Anchor

t  Torque wrench (40... 200 Nm) -V.A.G 1332-, see equivalent → Anchor Removing –  Note safety precautions before starting work → Chapter –  Observe rules for cleanliness → Chapter. l  To remove the fuel supply unit, the tank should be at a maximum of 1/2 of full capacity. Drain the tank if necessary. –  With the ignition switched off, disconnect battery earth strap. –  Fold rear seat forwards.

–  Unclip fastening notches -arrows- and remove the protector from the fuel supply unit.   WARNING The fuel and the fuel lines may become excessively hot (burn risk). The fuel supply system is also under pressure. Before opening the system, place a cloth over the junction and depressurise the system by gently loosening. For all assembly work carried out on the fuel supply system, protective glasses and gloves must be worn!

–  Remove the 5-pin connection terminal from the fuel pump, -1- and the supply lines -3- and return lines -2-.   Note To do this, press on the connection buttons for the hoses.

–  Unscrew union nut using key -3217-. –  Pull fuel delivery unit and seal out of their housing in fuel tank.   Note If the fuel delivery unit needs replacing, drain the old delivery unit prior to disposal. Installing Install in reverse order to dismantling, noting the following:   Note t  Take care not to bend the fuel level sender during fitting. t  Insert seal for flange or fuel delivery unit dry into opening of fuel tank. t  Moisten the seal using fuel only for fitting of the flange or the fuel delivery unit. t  Ensure that fuel hose connections are tight.

t  After installing fuel delivery unit, check that the supply, return -3- and supply -2- pipes are still clipped onto fuel tank. t  Note installation position of fuel delivery unit flange . Marking on the flange must align with the mark on the fuel tank -arrows-.