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Exhaust gas recirculation two-way valve N161 : verification > < Exhaust gas recirculation system: disassembly and assembly

Leon Mk1

Exhaust gas recirculation valveN18: verification
Exhaust gas recirculation valve -N18-: verification
Special tools and workshop equipment required
   
t  Manual pressure/decompression pump -SAT 1390-
  Note!
t  The mechanic gas recirculation valve with a conical pusher allows different size openings for different valve settings.
t  Pulsed control makes every conceivable valve position possible.
Checking process
–  Separate the mechanical valve flexible depression tube for gas recirculation.
–  In its place, connect the manual pressure/decompression pump -SAT 1390-.
–  Operate the pump.
  W00-2716
The membrane rod should move in the direction of the depression tube (observe the rod thuogh the opening in the valve -arrow-).
–  Remove the flexible tube of the pump from the mechanical gas recirculation valve.
The closure of the valve should be clearly audible (the membrane rod moves in the direction of the exhaust manifold).
  N26-0078

Exhaust gas recirculation two-way valve N161 : verification > < Exhaust gas recirculation system: disassembly and assembly