A4 Mk2
| Turbocharger - exploded view |
| Part 1 |
| 1 - | 30 Nm |
| q | Use only genuine bolts → Parts catalogue |
| 2 - | Gasket |
| q | Renew |
| 3 - | Catalytic converter |
| q | Removing and installing together with front exhaust pipe → Chapter |
| 4 - | 30 Nm |
| q | Renew |
| 5 - | Threaded connection, 30 Nm |
| 6 - | Threaded connection, 35 Nm |
| 7 - | Oil supply pipe |
| q | Tighten union nut to 23 Nm |
| q | From oil filter bracket → Item |
| 8 - | 3.5 Nm |
| 9 - | Heat shield |
| 10 - | 23 Nm |
| 11 - | Exhaust manifold |
| q | Removing and installing → Chapter |
| 12 - | 35 Nm |
| q | Renew |
| q | Coat thread and contact surface of bolt head with high-temperature paste; → Parts catalogue |
| 13 - | 10 Nm |
| 14 - | Banjo bolt, 30 Nm |
| 15 - | Gasket |
| q | Renew |
| q | Note installation position |
| 16 - | Coolant return pipe |
| q | Tighten union nut to 30 Nm |
| 17 - | 30 Nm |
| q | Renew |
| 18 - | Gasket |
| q | Renew |
| q | Note installation position |
| 19 - | Banjo bolt, 35 Nm |
| 20 - | Coolant supply pipe |
| 21 - | Banjo bolt, 35 Nm |
| q | Install using locking fluid; for locking fluid refer to → Parts catalogue |
| 22 - | 10 Nm |
| q | Install using locking fluid; for locking fluid refer to → Parts catalogue |
| 23 - | Gasket |
| q | Renew |
| 24 - | Oil return pipe |
| q | To sump |
| 25 - | Gasket |
| q | Renew |
| 26 - | 10 Nm |
| 27 - | 10 Nm |
| 28 - | Turbocharger |
| q | Checking → Chapter |
| 29 - | 25 Nm |
| 30 - | Bracket |
| 1 - | Vacuum hose |
| q | To turbocharger air recirculation valve -N249- |
| 2 - | Mechanical air recirculation valve |
| q | Checking → Chapter |
| 3 - | Hose |
| q | To turbocharger air recirculation valve |
| 4 - | Air hose |
| q | To connection on turbocharger |
| 5 - | Hose |
| q | To activated charcoal filter solenoid valve 1 -N80- |
| 6 - | Pipe |
| q | To crankcase breather |
| 7 - | 10 Nm |
| 8 - | Hose |
| q | To crankcase breather pipe |
| 9 - | Pressure control valve |
| q | For crankcase breather |
| 10 - | Hose |
| q | To turbocharger |
| 11 - | Hose |
| q | To vacuum unit for charge pressure regulating valve |
| 12 - | Charge pressure control solenoid valve -N75- |
| 13 - | Elbow |
| 14 - | Hose |
| q | To turbocharger |
