Golf Mk4
| Assembly overview - exhaust manifold with catalytic converter and add-on parts |
| 1 - | Heat shield |
| 2 - | 10 Nm |
| 3 - | Exhaust manifold |
| 4 - | Gasket |
| q | Renew. |
| 5 - | 25 Nm |
| q | Renew. |
| 6 - | 40 Nm |
| q | Renew. |
| 7 - | Connector |
| q | Black, 14-pin. |
| q | For NOx sender -G295-. |
| 8 - | NOx sender -G295-, 50 Nm |
| q | Grease only thread with -G 052 112 A3-. -G 052 112 A3- must not get into slots in probe body. |
| q | Remove and install with Lambda probe open ring spanner set -3337-. |
| q | If seal is leaking, nip open and renew. |
| 9 - | Front exhaust pipe with catalytic converter |
| 10 - | To front silencer |
| 11 - | Securing nut |
| 12 - | NOx sender control unit -J583- |
| q | Location: on underbody. |
| 13 - | Connector |
| q | Black, 10-pin. |
| q | To Motronic control unit -J220-. |
| 14 - | Protective housing |
| q | Location: on underbody. |
| 15 - | Catalytic converter with sealing flange |
| q | For repair cases |
| q | As standard, front exhaust pipe and catalytic converter are installed as a single component. In the event of repair, the front exhaust pipe and catalytic converter are supplied separately, connection is via two flanges and a seal. |
| 16 - | Seal |
| q | For repair cases |
| q | As standard, front exhaust pipe and catalytic converter are installed as a single component. In the event of repair, the front exhaust pipe and catalytic converter are supplied separately, connection is via two flanges and a seal. |
| 17 - | Front exhaust pipe with sealing flange |
| q | For repair cases |
| q | As standard, front exhaust pipe and catalytic converter are installed as a single component. In the event of repair, the front exhaust pipe and catalytic converter are supplied separately, connection is via two flanges and a seal. |
| 18 - | 25 Nm |
| q | For repair cases |
| q | As standard, front exhaust pipe and catalytic converter are installed as a single component. In the event of repair, the front exhaust pipe and catalytic converter are supplied separately, connection is via two flanges and a seal. |
| 19 - | Mounting |
| 20 - | Heat shield |
| 21 - | 5 Nm |
| q | When installing, the retaining clip must be fitted to the support for the heat shield. |
| 22 - | Connector |
| q | Black, 2-pin. |
| q | For exhaust gas temperature sender 1 -G235-. |
| 23 - | Exhaust gas temperature sender 1 -G235-, 45 Nm |
| 24 - | 25 Nm |
| 25 - | Gasket |
| q | Renew. |
| 26 - | 25 Nm |
| 27 - | Starter catalytic converter |
| 28 - | Gasket |
| q | Renew. |
| 29 - | Lambda probe -G39-, 50 Nm |
| q | Grease only thread with -G 052 112 A3-. -G 052 112 A3- must not get into slots in probe body. |
| q | Remove and install with Lambda probe open ring spanner set -3337-. |
| q | If seal is leaking, nip open and renew. |
| 30 - | Connector |
| q | Black, 6-pin. |
| q | For Lambda probe -G39-. |
| 31 - | Cable guide |
| q | For alternator cable. |
| 32 - | 10 Nm |
