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Ignition system, glow plug system > < Connection diagram for vacuum hoses

Fabia Mk1

Testing mechanical exhaust gas recirculation valve
Testing mechanical exhaust gas recirculation valve
Special tools and workshop equipment required
t  Hand vacuum pump, e.g. -V.A.G 1390-
Test sequence
–  Remove engine cover.
–  Disconnect vacuum hose on mechanical exhaust-gas recirculation valve.
   
–  Connect hand vacuum pump to valve.
–  Operate pump and observe the diaphragm rod
   The diaphragm must move in direction of the vacuum connection (determine by feeling from below -arrow-).
–  Detach hose of hand vacuum pump from mechanical exhaust gas recirculation valve.
   The valve must be heard to close (the diaphragm moves in the direction of the exhaust manifold).
  S26-0068

Ignition system, glow plug system > < Connection diagram for vacuum hoses