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SEAT Workshop Service and Repair Manuals

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Fuel supply parts: removing and fitting > < Removing and installing activated charcoal filter

Leon Mk1

Checking fuel tank breather
Checking fuel tank breather
Special tools and workshop equipment required
   
t  Hand pump -SAT 1390-
  W00-2716
t  Vacuum tester -V.A.G. 1368-
Test condition
l  Ignition must be switched off.
  W00-0567
Checking sequence
–  Disconnect the vacuum pipe -1- to the active carbon filter (by pressing the release tab).
  E10-10019
–  Continuously connect hose -1-, hand vacuum pump -SAT 1390- and vacuum tester -V.A.G. 1368- as shown in the figure.
–  Set vacuum tester to -A/B- position.
–  Operate hand vacuum pump -SAT 1390- several times. Vacuum must not build up.
If a vacuum builds up:
–  Check breather hose -3- on activated charcoal filter -2- for soiling and clean if necessary.
If a vacuum does not build up:
–  Hold breather hose -3- shut and operate vacuum pump again several times. A vacuum must build up.
If a vacuum does not build up:
–  Renew activated charcoal filter -2-.
  E20-10003

Fuel supply parts: removing and fitting > < Removing and installing activated charcoal filter