SEAT Workshop Service and Repair Manuals > Leon Mk2 > Power unit | 4-Cylinder injection engine (1.4 l engine with direct injection engine, turbocharger and displacement compressor) | Fuel supply, gas operation | Active charcoal tank system

Checking fuel tank breather

Special tools and workshop equipment required

t	Hand vacuum pump -VAS 6213-

Test prerequisite

l	Ignition must be switched off.

Test procedure

–	Pull off breather line (white) -1-. To do this, press release button.

–	Then connect hand vacuum pump -VAS 6213- as shown to breather line.

–	Operate hand vacuum pump -VAS 6213- several times. Vacuum must not build up.

–	Detach hose -1- from activated charcoal filter.

–	Seal breather hole and connection on activated charcoal filter -arrows- and operate vacuum pump several times again. Vacuum must build up.

–	If vacuum does not build up, renew activated charcoal filter.

SEAT Workshop Service and Repair Manuals