A4 Mk1
Silencers - exploded view |
1 - | 25 Nm |
2 - | Mounting |
q | Renew if damaged |
q | Check preload → Chapter „Stress-free alignment of exhaust system“ |
3 - | 25 Nm |
4 - | Mounting |
q | Renew if damaged |
q | Check preload → Chapter „Stress-free alignment of exhaust system“ |
5 - | 25 Nm |
6 - | 25 Nm |
7 - | 30 Nm |
q | Renew |
8 - | Gasket |
q | Renew |
9 - | Turbocharger |
q | Removing and installing → Chapter |
10 - | Catalytic converter |
q | Protect against knocks and impact |
q | Removing and installing → Chapter |
q | Align exhaust system so it is free of stress → Chapter |
11 - | Lambda probe -G39- (before catalytic converter) |
q | The threads on the new Lambda probes are coated with a special assembly paste. |
q | If re-installing old Lambda probe, coat thread with high-temperature paste: Refer to → Parts catalogue for high-temperature paste. |
q | The assembly paste/high-temperature paste must not get into the slots on the probe body. |
q | Removing and installing → Rep. Gr.24 |
12 - | Lambda probe after catalytic converter -G130- |
q | The threads on the new Lambda probes are coated with a special assembly paste. |
q | If re-installing old Lambda probe, coat thread with high-temperature paste: Refer to → Parts catalogue for high-temperature paste. |
q | The assembly paste/high-temperature paste must not get into the slots on the probe body. |
q | Removing and installing → Rep. Gr.24 |
13 - | Gasket |
q | Renew |
14 - | Front exhaust pipe |
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 |
15 - | Mounting |
q | Components of exhaust pipe mountings (vehicles with manual gearbox) → Fig. |
q | Components of exhaust pipe mountings (vehicles with automatic gearbox) → Fig. |
16 - | Clamp (front) |
q | Before tightening, align exhaust system so it is free of stress → Chapter |
q | Installation position → Fig. |
q | Tighten bolt connections evenly |
17 - | 40 Nm |
18 - | Mounting |
q | Renew if damaged |
q | Check preload → Chapter „Stress-free alignment of exhaust system“ |
19 - | 25 Nm |
20 - | Rear silencer |
q | Combined in one unit with centre silencer as original equipment. Can be renewed individually for repair purposes |
q | Cutting point → Anchor |
q | Align exhaust system so it is free of stress → Chapter |
21 - | Clamp (rear) |
q | For separate replacement of centre or rear silencer |
q | Before tightening, align exhaust system so it is free of stress → Chapter |
q | Installation position → Fig. |
q | Tighten bolt connections evenly |
22 - | 40 Nm |
23 - | 25 Nm |
24 - | Mounting |
q | Renew if damaged |
q | Check preload → Chapter „Stress-free alignment of exhaust system“ |
25 - | Centre silencer |
q | Combined in one unit with rear silencer as original equipment. Can be renewed individually for repair purposes |
q | Cutting point → Anchor |
q | Align exhaust system so it is free of stress → Chapter |
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