SEAT Workshop Service and Repair Manuals > Leon Mk2 > Power unit | 4-cylinder engine (2-valve), mechanical stage | Fuel supply, gas operation | Fuel tank and components:

Fuel tank: draining

Consult the equivalence table for tools and equipment according to applicability between 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

Follow steps required when disconnecting battery → Rep. gr.27.

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

Caution

Secure earth wire of fuel extractor unit -VAS 5190- to a bare metal part on the body.

–	Remove cotter -2- from shaft -1- of fuel extractor -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 filler cap from fuel tank filler neck.

–	Screw shaft end -1- of fuel extractor unit -VAS 5190- onto fuel filler neck.

–	Push extraction hose into fuel tank until marking on extraction hose -arrow- coincides with shaft end.

Note

t	If you use a purge unit without rod, proceed in the same way.

t	In this case, stick on the flexible hose a piece of electrical tape as a mark -arrow- at a distance -of-1,400 mm with respect to the end of the hose. The purge hose will be correctly introduced when the previous mark stays at the same level of the edge of the fill neck.

t	If the hose is hard to introduce, apply a fine layer 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.

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