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Exhaust gas recirculation: verification > < Exhaust gas recirculation valve N18 : verification

Leon Mk1

Exhaust gas recirculation two-way valve N161: verification
Exhaust gas recirculation two-way valve -N161-: verification
Special tools and workshop equipment required
   
t  Manual pressure/decompression pump -SAT 1390-
Checking process
  W00-2716
–  Separate the flexible depression tube -5- from the depression tubes -4- and connect the manual pressure/depression pump -SAT 1390-.
–  Separate the flexible depression tube -1- from the exhaust gas recirculation valve.
–  Remove the double connector -3- from the two-way exhaust gas recirculation valve -N161--2-.
–  Start the engine and let it run at idle.
–  Operate the pump. A depression should occur.
–  Connect the double connector -3- to the two-way exhaust gas recirculation valve -2-. The depression in the pump should immediately disappear.
  N26-0077

Exhaust gas recirculation: verification > < Exhaust gas recirculation valve N18 : verification