SEAT Workshop Service and Repair Manuals > Leon Mk1 > Power unit | 4-cylinder engine (2.0l 4V turbo engine, with direct diesel injection) | Fuel supply, gas operation | Fuel tank

Fuel tank: draining

Consult the equivalence table for tools and equipment according to applicability among Seat / VW / Audi / Skoda → Chapter.

Special tools and workshop equipment required

t	Fuel drainage equipment -VAS 5190-, see equivalent → Anchor

Operation process

Observe safety precautions → Chapter.

Observe rules for cleanliness → Chapter.

Caution

When disconnecting battery, observe safety measures → Electrical system; Rep. gr.27.

–	With ignition switched off, disconnect earth wire -arrow- at battery.

Caution

Connect the earth line of the fuel suction unit -VAS 5190- to a bright point on the body.

–	Remove the taper piece -2- from the shank -1- of the fuel suction unit -VAS 5190-.

–	Use insulating tape to mark the extraction hose -arrow- at a distance of -a- = 1.465 mm from the end of the hose.

–	Remove the filling cap from the fuel filler neck.

–	Screw the shank -1- of the fuel suction unit -VAS 5190- on to the filling neck of the fuel tank.

–	Insert the suction hose up until the mark made previously -arrow- is at the level of the rod.

Note

t	If a suction unit without shank is being used, the procedure is the same in principle.

t	In this case, use insulating tape to mark the extraction hose -arrow- at a distance of -a- = 1.400 mm from the end of the hose. The extraction hose has been properly inserted when the affixed mark is level with the edge of the filler neck.

t	If hose is difficult to insert, apply a thin coat of engine oil. DO NOT use silicone-based lubricant.

–	Drain fuel tank by way of filler neck.

–	Carefully remove the purge hose.

–	Connect battery. Observe measures to be taken after connecting the battery → Electrical system; Rep. gr.27.

SEAT Workshop Service and Repair Manuals