A3 Mk2
| Silencers - exploded view |
| 1 - | Centre silencer |
| q | Combined with rear silencer |
| q | Align exhaust system so it is free of stress → Chapter |
| 2 - | Nut |
| q | 20 Nm |
| 3 - | Rubber mounting |
| q | Renew if damaged |
| 4 - | Bracket for exhaust system |
| 5 - | Bolt |
| q | 23 Nm |
| 6 - | Bracket for exhaust system |
| 7 - | Bolt |
| q | 23 Nm |
| 8 - | Bracket for exhaust system |
| q | Renew if damaged |
| 9 - | Bolt |
| q | 23 Nm |
| 10 - | Bracket for exhaust system |
| 11 - | Clamp |
| q | 7 Nm |
| 12 - | Starter catalytic converter |
| q | With flexible joint; do not bend flexible joint more than 10° – otherwise it can be damaged |
| q | Install flexible joint so that it is not under tension. |
| q | Take care not to damage wire mesh on flexible joint. |
| q | Protect starter catalytic converter against knocks and impact |
| q | Removing and installing → Chapter |
| q | Do not remove protective packaging from replacement part until you are ready to fit the flexible joint |
| q | Align exhaust system so it is free of stress → Chapter |
| 13 - | Lambda probe after catalytic converter -G130- with Lambda probe 1 heater after catalytic converter -Z29- |
| q | Removing and installing → Rep. gr.24 |
| 14 - | Nut |
| q | Renew |
| q | Coat threaded pins with high-temperature paste; for high-temperature paste refer to → Electronic parts catalogue |
| q | 23 Nm |
| 15 - | Gaskets |
| q | Renew |
| 16 - | Catalytic converters |
| q | Removing and installing → Chapter |
| q | Align exhaust system so it is free of stress → Chapter |
| 17 - | Clamp |
| q | Before tightening, align exhaust system so it is free of stress → Chapter |
| q | Installation position → Fig. |
| q | Tighten bolt connections evenly |
| 18 - | Nuts |
| q | Tighten bolt connections evenly |
| q | 23 Nm |
| 19 - | Exhaust flap valve -N220- |
| q | With vacuum reservoir |
| q | Checking vacuum unit for exhaust flap → Chapter |
| 20 - | Nut |
| q | 20 Nm |
| 21 - | Rubber mounting |
| q | Renew if damaged |
| 22 - | Bolt |
| q | 20 Nm |
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