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Leon Mk1

Double non-return valve: checking
Double non-return valve: checking
Consult the equivalence table for tools and equipment according to applicability among Seat / VW / Audi / Skoda → Chapter.
Special tools and workshop equipment required
   
t  Manual vacuum pump -VAS 6213-, see equivalent → Anchor
  W00-10259
–  Disconnect the connector of the solenoid valve 1 for activated carbon filter -N80- and the fuel pressure sender, low pressure -G410--arrows-.
–  Removeolenoid valve 1 for activated carbon plant -N80--B- containers from the hose -A-
  N24-10161
–  Connect the manual vacuum pump -VAS 6213- to the hose which lead to the double non-return valve -arrow-.
–  Operate the manual vacuum pump -VAS 6213- a few times to create a vacuum.
If no vacuum is created, replace the double non-return valve.
  N24-10162

Injection system > < Component testing