A3 Mk2
| Exhaust system - exploded view, engine code BLR, BVY |
| 1 - | 25 Nm |
| q | Renew |
| q | Coat studs of exhaust manifold with high-temperature paste |
| 2 - | Lambda probe after catalytic converter -G130- |
| q | 55 Nm |
| q | Bank 1, probe 2 |
| q | Colour of connector: black |
| q | Grease only the threads with high-temperature paste. The paste must not penetrate into the slots on the probe body. |
| 3 - | Lambda probe 2 after catalytic converter -G131- |
| q | 55 Nm |
| q | Engine code BVY: bank 2, probe 1 |
| q | Engine code BLR: bank 2, probe 2 |
| q | Colour of connector: brown |
| q | Grease only the threads with high-temperature paste. The paste must not penetrate into the slots on the probe body. |
| 4 - | Catalytic converter |
| q | With front exhaust pipe |
| q | Protect against knocks and impact |
| q | With flexible joint |
| q | Do not bend flexible joint more than 10° - otherwise it can be damaged |
| q | Removing and installing → Chapter |
| q | Align exhaust system so it is free of stress → Chapter |
| 5 - | Lambda probe 3 after catalytic converter -G287- |
| q | 55 Nm |
| q | Bank 1, probe 3 |
| q | Colour of connector: grey |
| q | Grease only the threads with high-temperature paste. The paste must not penetrate into the slots on the probe body. |
| 6 - | Rubber mounting |
| q | Renew if damaged |
| 7 - | 25 Nm |
| 8 - | Rubber mounting |
| q | Renew if damaged |
| 9 - | Rear silencer |
| q | Combined in one unit with centre silencer as original equipment. Can be renewed individually for repair purposes |
| q | Align exhaust system so it is free of stress → Chapter |
| q | Separating exhaust system → Chapter |
| 10 - | Mounting |
| q | Renew if damaged |
| 11 - | 25 Nm |
| 12 - | Clamp (rear) |
| q | For separate replacement of centre and rear silencers |
| q | Installation position → Fig. |
| q | Tighten bolt connections evenly. |
| 13 - | Centre silencer |
| q | Combined in one unit with rear silencer as original equipment. Can be renewed individually for repair purposes |
| q | Align exhaust system so it is free of stress → Chapter |
| q | Separating exhaust system → Chapter |
| 14 - | Rubber mounting |
| q | Renew if damaged |
| 15 - | 25 Nm |
| 16 - | Clamp (front) |
| q | Align exhaust system so it is free of stress before tightening clamp → Chapter |
| q | Installation position → Fig. |
| q | Tighten bolt connections evenly. |
| 17 - | 25 Nm |
| 18 - | Mounting |
| 19 - | 25 Nm |
| 20 - | Mounting |
| q | Renew if damaged |
| 21 - | Gasket |
| q | Renew |
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