A3 Mk2
| Hose connection diagram for exhaust gas recirculation |
| 1 - | Vacuum reservoir |
| 2 - | Mechanical exhaust gas recirculation valve |
| q | Checking → Chapter |
| 3 - | To vacuum unit for charge pressure control |
| 4 - | To vacuum unit for EGR cooler change-over function |
| 5 - | Solenoid valve block |
| q | With valve 1 for exhaust gas recirculation -N18- |
| q | With solenoid valve for charge pressure control -N75- |
| q | With exhaust gas recirculation cooler change-over valve -N345- |
| q | Connection diagram → Chapter |
| 6 - | Vacuum supply hose |
| q | From tandem pump to solenoid valve block |
| 7 - | Tandem pump |
| 8 - | Vent hose |
| q | To air cleaner |
