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Mixture preparation system, electronic inj.,Gas > < Active carbon filter system: removing and fitting

Leon Mk2

Fuel tank breather: checking
Fuel tank breather: checking
Consult the equivalence table for tools and equipment according to applicability between Seat / VW / Audi / Skoda → Chapter.
   
Special tools and workshop equipment required
t  Adapter for VAG 1368 -SAT 1368/1-, see equivalent → Anchor
t  Pressure pump -SAT 1390-, see equivalent → Anchor
t  Vacuum meter -VAG 1368-, see equivalent → Anchor

Test requirements
l  Ignition off.
Test sequence
   
–  Remove the the vent hose -1- of the active carbon filter from the solenoid valve 1 for the active carbon filter -N80--2-.
–  Connect to hose -1- using the adaptor for VAG 1368 -SAT 1368/1-, the hand pump -SAT 1390- and the vacuum tester -VAG 1368- as shown in the illustration.
–  Set vacuum tester to -A/B- position.
–  Operate hand pump -SAT 1390-several 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: Vacuum should build up (the pressure shut-off valve on the active carbon filter should close).
If a vacuum does not build up:
–  Renew active carbon filter.
  E20-0103

Mixture preparation system, electronic inj.,Gas > < Active carbon filter system: removing and fitting