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Mixture preparation system, electronic inj.,Gas > < Assembly overview - parts of activated charcoal filter system

Polo Mk5

Checking fuel tank breather
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
  W00-10259
–  First pull breather hose -1- from activated charcoal filter on activated charcoal filter system solenoid valve 1 -N80--2-.
–  Connect hand vacuum pump VAS 6213 to hose -1- as shown.
–  Operate hand vacuum pump V.A.G 6213 several times. Vacuum must not build up.
If vacuum builds up:
–  Check breather opening -3- on lower activated charcoal filter -4- for soiling, clean if necessary.
If vacuum does not build up:
–  Temporarily seal breather opening -3- and operate vacuum pump again several times. Vacuum must build up.
If vacuum does not build up:
–  Renew activated charcoal filter.
  N20-10130

Mixture preparation system, electronic inj.,Gas > < Assembly overview - parts of activated charcoal filter system