SEAT Workshop Service and Repair Manuals > Leon Mk1 > Power unit | 4 cylinder engine 1.8 litre, 2.0 litre 4V Turbo with petrol direct injection | Fuel supply, gas operation | Fuel tank and components:

Fuel tank: draining

Check the tool and equipment equivalence table according to the applicability between Seat / VW / Audi / Skoda → Chapter

Special tools and workshop equipment required

t	Fuel pump unit -VAS 5190-, see equivalent → Anchor

Operation process

–	Observe all safety precautions and rules for cleanliness → Chapter.

Caution

Risk of severe damage to the electronic components when disconnecting the battery.

Follow the adapted methods before disconnecting the battery.

–	Disconnect battery earth cable -arrow- with ignition switched off.

WARNING

Risk of explosion caused by electrostatic discharge.

Attach the ground cable of the fuel pump unit -VAS 5190- to a bare part of the bodywork.

–	Remove the cone shaped part -2- of the shaft -1- of the fuel pump unit -VAS 5190-.

–	Use insulating tape to mark the extraction hose -arrow- at a distance of -a- = 1,300 mm from the end of the hose.

–	Remove filler cap from fuel filler neck.

–	Screw in the shaft -1- of the fuel pump unit -VAS 5190- to the fuel tank filler support.

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

–	Extract fuel from tank via fuel filler neck.

–	Pull out extraction hose carefully.

Note

t	The procedure when using a fuel extractor without shaft end is basically the same.

t	In this case, make a mark -arrow- on the hose at distance -a- = 1,235 mm from end of extraction hose -1- using insulating tape. 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. You should never use lubricating products that contain silicon.

SEAT Workshop Service and Repair Manuals