audi Workshop Repair Guides

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Turbocharger - exploded view > < Turbocharger
Diagram of vacuum connections
Diagram of vacuum connections
  Caution
Risk of engine failure.
When routing vacuum lines, make sure they are not kinked, twisted or crushed.
   
  Note
t  Blue = vacuum line for exhaust gas recirculation (control function)
t  Grey = breather pipe to air cleaner housing
t  Green = vacuum line for turbocharger (control function)
t  Red = vacuum line from vacuum pump
1 - Vacuum unit
q   For change-over function for exhaust gas recirculation cooler
2 - Non-return valve
3 - Exhaust gas recirculation cooler change-over valve -N345-
q   Checking change-over function → Chapter
4 - Cylinder head cover
q   Wit integrated vacuum reservoir
5 - Vacuum unit
q   On turbocharger
q   With position sender for charge pressure positioner -G581-
6 - Air cleaner housing
q   With connection for breather pipe
7 - Vacuum line
q   To brake servo
8 - Vacuum pump
9 - Charge pressure control solenoid valve -N75-

   

Turbocharger - exploded view > < Turbocharger