A3 Mk2
| Connection diagram for vacuum lines |
| 1 - | Air cleaner housing |
| q | With vent pipe connection for charge pressure control solenoid valve -N75- |
| 2 - | Charge pressure control solenoid valve -N75- |
| 3 - | Cylinder head cover |
| q | With vacuum reservoir |
| 4 - | Non-return valve |
| q | Note installation position |
| 5 - | Vacuum line to brake servo |
| 6 - | Exhaust gas recirculation cooler change-over valve -N345- |
| 7 - | Intake manifold flap valve -N316- |
| 8 - | Vacuum unit |
| q | For exhaust gas recirculation cooler change-over |
| 9 - | Vacuum unit |
| q | For air flow control |
| 10 - | Vacuum unit |
| q | On turbocharger |
| q | With position sender for charge pressure positioner -G581- |
