volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

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Checking control line to vacuum unit for exhaust gas recirculation cooler changeover function > < Checking supply line, vacuum reservoir and non-return valve

Golf Mk6

Checking control line to turbocharger
Checking control line to turbocharger
   
–  Detach hose from middle connection of charge-pressure control solenoid valve -N75--arrow in I- and from turbocharger vacuum unit -arrow in II-.
–  Seal hose opening with suitable plug.
  Note
Do not use screws or threaded bolts.
–  Connect hand vacuum pump -VAS 6213- to the other end of the hose and generate a vacuum of 0.6 bar.
–  Watch pressure gauge of hand vacuum pump for about 30 sec.
l  Vacuum must not drop.
If vacuum drops:
–  Renew vacuum hose.
If pressure does not drop:
–  Reconnect vacuum hoses.
–  Check control line to vacuum unit for exhaust gas recirculation cooler changeover function → Chapter.
  N21-10208

Checking control line to vacuum unit for exhaust gas recirculation cooler changeover function > < Checking supply line, vacuum reservoir and non-return valve