A4 Cabriolet Mk2
Exhaust system on vehicles with four-wheel drive - exploded view |
1 - | Turbocharger |
q | Removing and installing → Chapter |
2 - | Gasket |
q | Renew |
3 - | Lambda probe -G39- (before catalytic converter) |
q | Black connector |
q | Threads of new Lambda probes are already greased with assembly paste; the paste must not get into the slots on the probe body |
q | When re-using the old lambda probe, grease thread with high-temperature lubricant; the paste must not get into the slots of the probe body; High-temperature lubricant → Parts catalogue |
q | Removing and installing → Motronic injection and ignition system (4-cyl. turbo); Rep. gr.24 |
q | Tighten to 55 Nm |
4 - | Lambda probe after catalytic converter -G130- |
q | Brown connector |
q | Threads of new Lambda probes are already greased with assembly paste; the paste must not get into the slots on the probe body |
q | When re-using the old lambda probe, grease thread with high-temperature lubricant; the paste must not get into the slots of the probe body; High-temperature lubricant → Parts catalogue |
q | Removing and installing → Motronic injection and ignition system (4-cyl. turbo); Rep. gr.24 |
q | Tighten to 55 Nm |
5 - | Catalytic converter |
q | Protect against knocks and impact |
q | Removing and installing together with front exhaust pipe → Chapter |
q | Align exhaust system so it is free of stress → Chapter |
6 - | Gasket |
q | Renew |
7 - | 25 Nm |
8 - | 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 |
9 - | Clamp (front) |
q | Before tightening, align exhaust system so it is free of stress → Chapter |
q | Installation position of bolts → Fig. |
q | Tighten bolt connections evenly |
10 - | 40 Nm |
11 - | Spacer sleeve |
12 - | Buffer |
13 - | Bracket |
14 - | Washer |
15 - | 25 Nm |
16 - | Rear silencer (left-side) |
q | Combined in one unit with centre silencer as original equipment. Can be renewed individually for repair purposes |
q | Cutting point → Anchor |
q | Renewing tailpipe → Fig. |
q | Align exhaust system so it is free of stress → Chapter |
17 - | Mounting |
q | Renew if damaged |
q | Check preload → Chapter „Stress-free alignment of exhaust system - vehicles with four-wheel drive“ |
18 - | 25 Nm |
19 - | Rear silencer (right-side) |
q | Combined in one unit with centre silencer as original equipment. Can be renewed individually for repair purposes |
q | Cutting point → Anchor |
q | Renewing tailpipe → Fig. |
q | Align exhaust system so it is free of stress → Chapter |
20 - | 40 Nm |
21 - | Clamps (rear) |
q | For individual replacement of centre silencer and the two rear silencers |
q | Before tightening, align exhaust system so it is free of stress → Chapter |
q | Installation position → Fig. |
q | Tighten bolt connections evenly |
22 - | Centre silencer |
q | Forms one unit with the two rear silencers 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 |
23 - | 25 Nm |
24 - | Mounting |
q | Renew if damaged |
q | Check preload → Chapter „Stress-free alignment of exhaust system - vehicles with four-wheel drive“ |
25 - | 25 Nm |
26 - | Washer |
27 - | Compression spring |
28 - | Bracket |
29 - | Spacer sleeve |
30 - | 25 Nm |
q | Renew |
31 - | 40 Nm |
q | Renew |
|
|