SEAT Workshop Service and Repair Manuals > Leon Mk2 > Power unit | 4 cylinder injection engine (1.6l 4V, Chain control) | Fuel supply, gas operation | Activated charcoal filter system:

Fuel tank venting: verification

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

Special tools and workshop equipment required

t	Manual vacuum pump -VAS 6213-, see equivalent → Anchor

Test requirements

l	Ignition must be switched off.

Checking procedure

–	First remove the active carbon filter breather hose -1- from its connection to the active carbon filter solenoid 1 -N80--2-.

–	Connect to hose -1- the manual vacuum pump -VAS 6213- as shown in the figure.

–	Operate the manual vacuum pump -VAS 6213- a few times. Vacuum must not build up.

If a vacuum builds up:

–	Check breather connection -3- located on bottom of active carbon filter -4- for soiling; clean if necessary.

If a vacuum does not build up:

–	Temporarily seal breather connection -3- and operate vacuum pump again several times. A vacuum must build up.

If a vacuum does not build up:

–	Renew active carbon filter.

SEAT Workshop Service and Repair Manuals